CN113934059A

CN113934059A - Display device

Info

Publication number: CN113934059A
Application number: CN202111319344.5A
Authority: CN
Inventors: 陈建群; 方丽婷; 沈柏平
Original assignee: Xiamen Tianma Microelectronics Co Ltd
Current assignee: Xiamen Tianma Microelectronics Co Ltd
Priority date: 2021-11-09
Filing date: 2021-11-09
Publication date: 2022-01-14
Anticipated expiration: 2041-11-09
Also published as: CN113934059B

Abstract

The invention discloses a display device, which relates to the technical field of display and comprises a knob structure and a first display panel, wherein the knob structure comprises a columnar rotating body, a display area of the first display panel is positioned in a range limited by the columnar rotating body along a first direction, and the first direction is the extending direction of a rotating shaft of the columnar rotating body; the columnar rotating body comprises a main body part and a bulge part positioned on one side of the main body part, the first display panel comprises a first display area and a second display area, the first display area is positioned in an area defined by the main body part along a first direction, and the second display area is positioned in an area defined by the bulge part; the knob structure comprises at least two rotating gears, and in a display stage corresponding to the same rotating gear, the first display area and the second display area display different pictures. So, the user can rely on the position of feeling affirmation knob structure, when being applied to on-vehicle demonstration field, is favorable to promoting driving safety.

Description

Display device

Technical Field

The invention relates to the technical field of display, in particular to a display device.

Background

From the CRT (Cathode Ray Tube) era to the liquid crystal era and now to the OLED (Organic Light-Emitting Diode) era, the display industry has been developing over decades. The display industry is closely related to our life, and display technologies cannot be separated from traditional mobile phones, flat panels, televisions and PCs to current intelligent wearable devices and VR and other electronic devices.

In order to meet the use requirements of people, the shapes and functions of electronic display devices are increasing, for example, display devices with circular structures appear, and with the continuous research and development of vehicle-mounted display technologies, knobs also have the display function. However, the conventional knob type display panel is cylindrical, and the gear needs to be visually confirmed when the display panel is rotated, which affects driving safety.

Disclosure of Invention

In view of this, the present invention provides a display device, which is provided with a first display area, and a protrusion and a second display area corresponding to the protrusion are introduced on a columnar rotator, so that a user can confirm the orientation of a knob structure by hand feeling, and the display device is beneficial to improving driving safety when applied to the field of vehicle-mounted display.

The display device provided by the invention comprises a knob structure and a first display panel, wherein the knob structure comprises a columnar rotating body, a display area of the first display panel is positioned in a range limited by the columnar rotating body along a first direction, and the first direction is the extension direction of a rotating shaft of the columnar rotating body;

the columnar rotating body comprises a main body part and a bulge part positioned on one side of the main body part, the first display panel comprises a first display area and a second display area, the first display area is positioned in an area defined by the main body part along the first direction, and the second display area is positioned in an area defined by the bulge part; the knob structure comprises at least two rotating gears, and in a display stage corresponding to the same rotating gear, the first display area and the second display area display different pictures.

Compared with the prior art, the display device provided by the invention at least realizes the following beneficial effects:

the display device provided by the invention comprises a knob structure and a first display panel, wherein the knob structure plays a role in rotation control, and the first display panel plays a role in display. The columnar rotating body in the knob structure comprises a main body part and a bulge part located on one side of the main body part, and the first display panel comprises a first display area corresponding to the main body part and a second display area corresponding to the bulge part. Because the knob structure introduces the bulge, when being used for rotating above-mentioned knob structure, even do not go the knob structure of visualing, also can confirm the position that the bulge belongs to through feeling, and then the rotatory gear that the knob corresponds can be confirmed to accessible bulge position, and the user can rely on the rotatory direction of feeling affirmation and the content that shows promptly, has reduced or eliminated the time of the knob of visualing. When the display device is applied to the field of vehicle-mounted display, the driving safety of a driver is improved. In addition, the first display area that corresponds with the main part and the second display area that corresponds with the bellying homoenergetic enough exert the function that shows, and in the display stage that same rotatory gear corresponds, different pictures can be shown respectively in first display area and second display area, so, can obtain different display information respectively through two display areas, are favorable to promoting user's use and experience the effect.

Of course, it is not necessary for any product in which the present invention is practiced to achieve all of the above-described technical effects simultaneously.

Other features of the present invention and advantages thereof will become apparent from the following detailed description of exemplary embodiments thereof, which proceeds with reference to the accompanying drawings.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention.

Fig. 1 is a top view of a display device according to an embodiment of the invention;

fig. 2 is a perspective structural view of a display device according to an embodiment of the invention;

fig. 3 is a top view of a display device according to an embodiment of the invention;

FIG. 4 is a display image of the knob structure in the embodiment of the present invention at the m-1 th rotation position;

fig. 5 is a display image of the knob structure in the mth rotation position according to the embodiment of the present invention;

FIG. 6 is a diagram illustrating a display screen when the knob is in the (m + 1) th rotation position according to the embodiment of the present invention;

FIG. 7 is an AA cross-sectional view of the display device of FIG. 1;

FIG. 8 is a schematic view of a distribution of side-entry light sources in a backlight module;

fig. 9 is a perspective view of a light guide plate, wherein it can be understood that the light guide plate has a light guide structure with a certain thickness;

fig. 10 is a top view of a light guide plate according to an embodiment of the invention;

FIG. 11 shows another AA cross-section of the display device of FIG. 1;

fig. 12 is a top view of a display device according to an embodiment of the invention;

fig. 13 is a top view of a display device according to an embodiment of the invention.

Detailed Description

Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that: the relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise.

The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses.

Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate.

In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

Fig. 1 is a top view of a display device according to an embodiment of the present invention, fig. 2 is a perspective view of the display device according to the embodiment of the present invention, and referring to fig. 1 and fig. 2, a display device 100 according to an embodiment of the present invention includes a knob structure 10 and a first display panel 20, the knob structure 10 includes a columnar rotator 90, along a first direction D1, a display area of the first display panel 20 is located within a range defined by the columnar rotator 90, and the first direction D1 is an extending direction of a rotation axis Z of the columnar rotator 90;

the columnar rotating body 90 includes a main body portion 11 and a protruding portion 12 located at one side of the main body portion 11, the first display panel 20 includes a first display area 21 and a second display area 22, and along the first direction D1, the first display area 21 is located in an area defined by the main body portion 11, and the second display area 22 is located in an area defined by the protruding portion 12; the knob structure 10 includes at least two rotation positions, and the first display area 21 and the second display area 22 display different images in a display stage corresponding to the same rotation position.

It should be noted that fig. 1 and 2 only illustrate one relative positional relationship between the knob structure 10 and the first display area 21 and the second display area 22 of the first display panel 20, and do not represent actual dimensions. Referring to fig. 1, in a top view, the shape of the first display area 21 is adapted to the contour shape of the columnar rotator 90, and is embodied as a circle; the shape of the second display area 22 is adapted to the contour shape of the protruding portion 12, and is embodied in a triangular structure. It should be noted that fig. 1 only illustrates the protrusion 12 with a triangular structure, in some other embodiments of the present invention, the contour shape of the protrusion 12 may also be embodied as other shapes, such as a circular arc protrusion 12 or any other feasible shape, for example, please refer to fig. 3, and fig. 3 is another top view of the display device provided in the embodiment of the present invention. When the protruding portion 12 is arc-shaped, the planar structure of the second display region 22 is also arc-shaped, so that the shapes of the second display region 22 and the protruding portion 12 are adapted, and the overall appearance of the display device is improved.

With continued reference to fig. 1 to 3, the display device 100 provided by the present invention includes a knob structure 10 and a first display panel 20, wherein the knob structure 10 performs a function of rotation control, the first display panel 20 performs a function of display, the knob structure 10 includes at least two rotation positions, different contents are displayed in the first display area 21 at different rotation positions, and optionally, different rotation positions may also perform different control functions. The columnar rotator 90 in the knob structure 10 includes a main body 11 and a protrusion 12 located on one side of the main body 11, and the first display panel 20 includes a first display area 21 corresponding to the main body 11 and a second display area 22 corresponding to the protrusion 12. Because the protruding portion 12 is introduced into the knob structure 10, when the knob structure 10 is used for rotating, even if the knob structure 10 is not visually checked, the position of the protruding portion 12 can be confirmed through hand feeling, and then the rotating gear corresponding to the knob can be confirmed through the position of the protruding portion 12, that is, a user can confirm the rotating direction and the displayed content through hand feeling, so that the time for visually checking the knob is reduced or eliminated. In addition, the first display area 21 corresponding to the main body portion 11 and the second display area 22 corresponding to the protruding portion 12 can both perform a display function, and in a display stage corresponding to the same rotation gear, the first display area 21 and the second display area 22 can respectively display different pictures, so that different display information can be respectively obtained through the two display areas, and the use experience effect of a user can be improved.

Fig. 4 shows a display screen when the knob structure 10 is in the m-1 th rotation position in the embodiment of the present invention, fig. 5 shows a display screen when the knob structure 10 is in the m-1 th rotation position in the embodiment of the present invention, fig. 6 shows a display screen when the knob result is in the m +1 th rotation position in the embodiment of the present invention, and fig. 4 to 6 show display screen relationships between the first display area 21 and the second display area 22 in different rotation positions.

Referring to fig. 4 to 6, in an alternative embodiment of the present invention, the knob structure 10 includes a plurality of adjacent rotation positions, and the display frame type of the second display area 22 in the mth rotation position is the same as the display frame type of the first display area 21 in the m-1 rotation position, or the display frame type of the first display area 21 in the m +1 rotation position, where m is greater than or equal to 2.

The display screen types include: remaining mileage, vehicle speed, temperature, time, music, etc. Because the area of the second display area 22 is small, when the second display area 22 displays a picture, the display content can be flexibly set according to the actual situation, for example, when displaying the temperature, the temperature can be displayed by using an icon of the temperature or by using a numerical value, which is not specifically limited in the present invention.

Specifically, when the first display panel 20 includes the first display area 21 and the second display area 22, the first display area 21 may be regarded as a main display area, the second display area 22 may be regarded as an auxiliary display area, and a picture displayed by the first display area 21 and a picture displayed by the second display area 22 have a certain relationship, and optionally, in the mth rotation position, referring to fig. 5, a picture type displayed by the second display area 22 (fig. 5 illustrates that the display picture type is "temperature") is the same as a display picture type of the first display area 21 in the m-1 rotation position, that is, the same as a picture displayed by the first display area 21 in the last rotation position. Assuming that the type of the image displayed in the first display area 21 is "remaining mileage" and the type of the image displayed in the second display area 22 is "temperature" in the current rotation gear (see fig. 5), the "temperature" displayed in the second display area 22 is the type of the image displayed in the first display area 21 in the previous rotation gear, for example, see fig. 4, where fig. 4 represents the display images of the first display area 21 and the second display area 22 in the previous rotation gear. So, under current rotatory gear, the content that first display area 21 shows when the picture that user accessible second display area 22 shows judges last gear, when the user wants to show and control the temperature, only need anticlockwise with knob structure 10 rotate to last gear can, simplified user's operation process, be favorable to promoting user's use experience effect.

The above-described embodiment shows a case where the type of the screen displayed in the second display area 22 is the same as that of the display screen in the m-1 th rotation position of the first display area 21. In other embodiments of the present invention, optionally, in the mth rotation gear, the type of the picture displayed in the second display area 22 is the same as the type of the picture displayed in the (m + 1) th rotation gear in the first display area 21, that is, the same as the type of the picture displayed in the next rotation gear in the first display area 21. Assuming that the type of the image displayed in the first display area 21 is "remaining mileage" and the type of the image displayed in the second display area 22 is "temperature" in the current rotation gear (see fig. 5), the temperature displayed in the second display area 22 is the type of the image displayed in the first display area 21 in the next gear, for example, see fig. 6, where fig. 6 represents the display images of the first display area 21 and the second display area 22 in the next rotation gear. So, under current rotatory gear, the content that first display area 21 shows when the picture that user accessible second display area 22 shows judges next gear, when the user wants to control the temperature, only need clockwise with knob structure 10 rotate to next gear can, simplified user's operation process, be favorable to promoting user's use and experience the effect.

With continued reference to fig. 4-6, in an alternative embodiment of the present invention, the display of the second display area 22 includes at least an icon corresponding to the display type.

Specifically, when the projecting portion 12 is provided in the knob structure 10, the size of the projecting portion 12 is generally set smaller than that of the main body portion 11, and the size is such that the projecting portion can be clearly recognized by a human hand. When the size of the protruding portion 12 is small, the size of the second display area 22 corresponding to the protruding portion 12 is also small, and when the second display area 22 displays a picture, the display picture of the second display area 22 includes an icon corresponding to the display picture type, because the display mode by the icon is intuitive, for example, the corresponding display picture type is "music" as clearly seen by the icon in fig. 4, "temperature" as clearly seen by the icon in fig. 5, "map" as clearly seen by the icon in fig. 6, and the like, when the second display area 22 is observed by human eyes in a short time, the display picture type of the second display area 22 can be better known, that is, when the human eyes see the second display area 22, corresponding information can be read instantly, and thus, the time for the user to observe the display device is effectively saved. When the invention is applied to the field of vehicle-mounted display, the time for a driver to observe the display device in the process of driving a vehicle is effectively reduced, so that the driving safety of the driver is favorably improved.

Fig. 7 is an AA cross-sectional view of the display device in fig. 1, and fig. 8 is a schematic distribution diagram of side-entry light sources in a backlight module. The film structure shown in fig. 7 is only a part of the film structure, and does not represent the actual film structure. Optionally, the display device in the embodiment of the present invention is a liquid crystal display device, and includes a backlight module 30 that provides a light source for the first display panel 20 in addition to the first display panel 20.

With continuing reference to fig. 7 and 8, in an alternative embodiment of the present invention, the display device provided in the embodiment of the present invention further includes a backlight module 30, wherein the first display panel 20 is located on a light emitting surface of the backlight module 30; the backlight module 30 includes a side-in light source 31, and the side-in light source 31 is located in an area defined by the main body 11 along the first direction D1.

Specifically, in the display device provided by the embodiment of the present invention, the backlight module 30 provides the light source required for displaying to the first display panel 20. The display device of the present application includes a display panel in the form of a knob, and functions of the knob and display are performed. Optionally, the side-in light source 31 includes a plurality of LEDs, the size of the display device in the form of a knob is generally small, and when the backlight module 30 employs the side-in light source 31, the display brightness requirement of the display device can be met by using fewer LEDs, thereby being beneficial to saving the overall cost of the display device. Fig. 8 illustrates that the lateral light source 31 includes 3 LEDs, in some other examples of the present invention, the number of the LEDs included in the lateral light source 31 may be set to be other according to actual requirements, and the present invention is not limited to this.

In the related art, when the protrusion is not provided in the knob type display device, the lateral light source 31 is provided in the area defined by the main body 11; in the present invention, the side-in light source 31 is disposed in the area defined by the main body 11, that is, the LEDs are disposed in the area defined by the main body 11, and the light emitted by the LEDs of the main body 11 can be used as the light required for displaying in the second display area 22 without changing the positions of the LEDs in the backlight module 30, which is beneficial to simplifying the structural complexity of the backlight module 30 and also realizes the utilization rate of the light emitted by the backlight module 30.

Fig. 9 is a perspective view of a light guide plate 32, please refer to fig. 8 and 9, it can be understood that the light guide plate 32 is a light guide structure with a certain thickness, and includes a surface parallel to the first display panel 20 and a side surface perpendicular to the first display panel 20, referring to fig. 8 and 9, the side-entry light sources 31 are disposed on the side surface of the light guide plate 32, and light emitted by the side-entry light sources 31 is uniformly emitted from the light guide plate 32 toward the surface of the first display panel 20 after being conducted by the light guide plate 32, thereby being beneficial to improving the overall display brightness uniformity of the display device.

Referring to fig. 1, 8 and 9, in an alternative embodiment of the present invention, the backlight module 30 further includes a light guide plate 32, the light guide plate 32 includes a first light guide part 321 and a second light guide part 322, the first light guide part 321 overlaps the first display region 21, the second light guide part 322 overlaps the second display region 22 along a first direction D1, and a reflective sheet 33 is disposed on a sidewall of the second light guide part 322.

Specifically, the light guide plate 32 according to the embodiment of the present invention includes a first light guide portion 321 corresponding to the first display region 21 and a second light guide portion 322 corresponding to the second display region 22, where the first light guide portion 321 is configured to provide light to the first display region 21 and the second light guide portion 322 is configured to provide light to the second display region 22.

With continued reference to fig. 1, 8, and 9, the present invention provides the reflective sheets 33 at the side surfaces of the second light guide part 322. Since the lateral light sources 31 are disposed in the area defined by the main body 11, that is, disposed at the side of the first light guide portion 321, and the lateral light sources 31 are not disposed at the side of the second light guide portion 322, when the reflective sheet 33 is disposed at the side of the second light guide portion 322, and the light emitted by the lateral light sources 31 is transmitted from the first light guide portion 321 to the second light guide portion 322, the reflective sheet 33 can reflect the light, so as to increase the amount of the light transmitted from the second light guide portion 322 to the first display panel 20, and even if the lateral light sources 31 are not disposed at the side of the second light guide portion 322, the light transmitted to the first display panel 20 via the second light guide portion 322 can satisfy the display luminance requirement of the second display region 22, so that the display luminance of the second display region 22 can be increased while the number of LEDs included in the lateral light sources 31 is reduced, and the luminance difference between the first display region 21 and the second display region 22 can be reduced, the whole display brightness uniformity of the display device is improved.

It should be noted that fig. 9 only shows that the reflective sheet 33 is disposed on the sidewall of the second light guide portion 322, in some other embodiments of the present invention, in order to improve the effective utilization rate of the side-in light source, a reflective sheet may also be disposed on the sidewall of the first light guide portion 321, and light irradiated onto the reflective sheet on the sidewall of the first light guide portion 321 by the side-in light source may be further utilized, so as to facilitate improving the amount of light emitted to the first display panel by the light guide plate as a whole, and improving the effective utilization rate of the light source.

Fig. 10 is a top view of the light guide plate 32 according to an embodiment of the present invention, please refer to fig. 10, in an alternative embodiment of the present invention, light guide dots 40 are distributed on the light guide plate 32, and the distribution density of the light guide dots 40 on the second light guide portion 322 is smaller than the distribution density of the light guide dots 40 on the first light guide portion 321. It should be noted that fig. 10 is only a simple illustration of the light guide dots in the sections of the light guide plate, and does not represent the actual shapes, sizes, and numbers of the light guide dots.

The light guide plate 32 is made of optical acrylic/PC board, and a high-tech material with high refractive index and no light absorption is used to print light guide dots 40 on the bottom surface of the optical acrylic board by laser engraving, V-shaped cross grid engraving, and UV screen printing. The optical-grade acrylic sheet is used for absorbing the light emitted from the light source to stay on the surface of the optical-grade acrylic sheet, when the light rays irradiate each light guide dot, the reflected light can be diffused towards each angle, and then the reflected light is damaged and is emitted from the front surface of the light guide plate. The light guide plate can uniformly emit light through various light guide mesh points with different densities and sizes.

The greater the distribution density of the light guide dots 40 on the light guide plate 32, the greater the corresponding brightness; the smaller the distribution density of the light guide dots 40, the smaller the corresponding brightness. In the present application, please refer to fig. 1, 8 and 10, when the reflector 33 is disposed on the side surface of the second light guide portion 322, the amount of light emitted from the second light guide portion 322 is effectively increased, in order to prevent the display brightness of the second display area 22 corresponding to the second light guide portion 322 from being significantly greater than the display brightness of the first display area 21, in the present application, the distribution density of the light guide dots 40 on the first light guide portion 321 and the distribution density of the light guide dots 40 on the second light guide portion 322 are designed differently, so that the distribution density of the light guide dots 40 on the second light guide portion 322 is smaller than the distribution density of the light guide dots 40 on the first light guide portion 321, so as to balance the amount of light emitted within a unit area range of the first light guide portion 321 and the second light guide portion 322, reduce the display brightness difference between the first display area 21 and the second display area 22, and improve the overall display brightness uniformity of the display device.

It should be noted that, in some other embodiments of the present invention, when no reflective sheet is disposed on the sidewall of the second light guide portion 322, the amount of light emitted from the second light guide portion 322 to the second display area may also be increased by adjusting the density of the light guide dots on the second light guide portion 322. Specifically, when the reflective sheet is not disposed on the sidewall of the second light guide portion, or when the reflective sheet is disposed on the sidewall of the first light guide portion and the sidewall of the second light guide portion, the distribution density of the light guiding dots on the second light guide portion 322 is set to be greater than the distribution density of the light guiding dots on the first light guide portion 311, so as to avoid the problem that less light rays are emitted from the second light guide portion 322 to the first display panel due to the fact that no lateral light source is disposed on the sidewall of the second light guide portion 322, and when the density of the light guiding dots on the second light guide portion 322 is greater than the distribution density of the light guiding dots on the first light guide portion, the amount of light rays emitted from the second light guide portion 322 to the second display area of the first display panel is increased, so as to balance the display luminance of the first display area and the second display area, and improve the overall display luminance uniformity of the display device.

In an alternative embodiment of the present invention, referring to fig. 9 and 10, first light guide portion 321 and second light guide portion 322 are integrally formed. Specifically, in the present application, the light guide plate 32 is integrally made of the same plate, that is, the same plate is cut into a shape corresponding to the display panel, and then the light guide dots 40 with different distribution densities are formed in the regions corresponding to the first display region 21 and the second display region 22. That is to say, the first light guiding portion 321 and the second light guiding portion 322 are integrally formed structures, and are not spliced structures, which is beneficial to avoiding the phenomenon of poor display in the spliced area, so that the manufacturing process of the light guide plate 32 is simplified, and the overall display effect of the display device is also beneficial to being improved.

Fig. 11 is another AA cross-sectional view of the display device in fig. 1, in which the backlight module 30 is a direct-type backlight module 30. The film structure shown in fig. 11 is only a part of the film structure, and does not represent an actual film structure.

Referring to fig. 1 and fig. 11, in an alternative embodiment of the present invention, the display device further includes a backlight module 30, wherein the first display panel 20 is located on a light emitting surface of the backlight module 30; the backlight module 30 includes a direct light source 37, the direct light source 37 includes a plurality of light emitting elements 39, and the distribution density of the light emitting elements 39 is the same in the first display area 21 and the second display area 22.

Specifically, when the backlight module 30 is a direct-type backlight module 30, the light emitting elements of the direct-type light source 37 may be Mini LEDs or Micro LEDs, for example. When the backlight module 30 employs the direct-type light source 37, the light-emitting elements can be controlled in different regions, thereby improving the contrast of the display device and making the display image finer. In addition, the distribution density of the light emitting elements corresponding to the first display area 21 and the second display area 22 is set to be the same, that is, the number of the light emitting elements distributed in the unit area is the same, so that the light emitted by the backlight module 30 to the first display area 21 and the second display area 22 is uniform, and therefore, the uniformity of the display brightness of the first display area 21 and the second display area 22 in the display device is improved, and the whole display effect of the display device is improved.

Referring to fig. 1 and 3, in an alternative embodiment of the present invention, the main body 11 has a cylindrical structure, and the protrusion 12 has a triangular protrusion structure or a circular arc protrusion structure.

Specifically, the main body 11 is formed in a cylindrical shape, which is more suitable for ergonomic requirements and facilitates the rotation operation of the user. In addition, the protruding portion 12 is set to be a triangular protruding structure or an arc protruding structure, and these protruding structures protrude from the arc surface of the main body portion 11, so that when a user operates the electronic device, the user can know the position of the protruding portion 12 by feel even without visual observation, and thus, the corresponding control function can be realized by controlling the position of the protruding portion 12.

Fig. 12 is a plan view of another display device according to an embodiment of the present invention, which shows a case where the display device includes two display panels.

Referring to fig. 12, in an alternative embodiment of the present invention, the display device provided in the embodiment of the present invention further includes a second display panel 60, and the first display panel 20 and the second display panel 60 are electrically connected and located at different positions.

Specifically, when the display device 100 includes the first display panel 20 and the second display panel 60, the first display panel 20 is a display panel of the knob structure 10, the second display panel 60 may be embodied as a conventional display panel, and the size of the second display panel 60 is larger than that of the first display panel 20, when the display device of the present application is applied to the field of vehicle-mounted display, the first display panel 20 may correspond to the knob form, the second display panel 60 may correspond to a display panel of a console, the first display panel 20 and the second display panel 60 may be respectively disposed at different positions in a cab, and the control of the second display panel 60 corresponding to the console may be achieved by rotating the knob corresponding to the first display panel 20. When the first display panel 20 and the second display panel 60 are located at different positions, the position of the second display panel 60 is relatively fixed, and the position of the first display panel 20 in the form of a knob can be flexibly adjusted according to actual conditions, for example, the first display panel 20 can be arranged at a position convenient for manual operation, for example, the first display panel can be placed on a steering wheel or other positions operated by a driver at the edge, so that the driver can conveniently realize the operation of the first display panel 20 corresponding to the knob structure 10, and further easily realize the control of the second display panel 60 corresponding to the console.

It should be noted that, when the first display panel 20 and the second display panel 60 are located at different positions, the two display panels may be electrically connected through a hidden signal trace, or the two display panels may also be electrically connected in a wireless manner, such as a bluetooth connection, as long as the first display panel 20 and the second display panel 60 can transmit signals, and the manner of electrically connecting the two display panels is not specifically limited in this application.

Fig. 13 is a plan view of a display device according to an embodiment of the present invention, which shows another structure of the display device including both the first display panel 20 and the second display panel 60.

Referring to fig. 13, in an alternative embodiment of the present invention, the display device further includes a second display panel 60, the first display panel 20 is electrically connected to the second display panel 60, and the first display panel 20 is integrated in a display area of the second display panel 60.

Specifically, when the display device includes the first display panel 20 and the second display panel 60, the first display panel 20 is a display panel of the knob structure 10, the second display panel 60 may be embodied as a conventional display panel, and the size of the second display panel 60 is larger than that of the first display panel 20, and when the display device of the present application is applied to the field of vehicle display, the first display panel 20 may correspond to a knob form, and the second display panel 60 may correspond to a display panel of a console. When the first display panel 20 is integrated in the display area of the second display panel 60, the area adjacent to the first display panel 20 on the second display panel 60 can display the content corresponding to different rotation gears, when the knob structure 10 corresponding to the first display panel 20 is rotated, the protrusion 12 can point to the content corresponding to the corresponding rotation gear, that is, the protrusion 12 can point to different content in combination with the display screen, for example, different selection contents such as air conditioner, vehicle body information, map, music, etc. can be displayed on the second display panel 60, and when the protrusion 12 points to the corresponding selection content, the first display panel 20 can be integrated in the display area of the second display panel 60 for control, so that the operation of the operator is more convenient.

In an alternative embodiment of the invention, the display device is an in-vehicle display device.

It should be noted that the display device provided in the embodiments of the present invention may be embodied as any product or component with practical functions, such as a mobile phone, a tablet computer, a television, a display, a notebook computer, a digital photo frame, and a navigator.

The display device provided by the embodiment of the invention is particularly suitable for display devices which can be controlled by knobs, such as vehicle-mounted display devices. When the display device provided by the invention is applied to the vehicle-mounted display device, the first display area and the second display area of the first display panel can respectively display different pictures, so that different display information can be respectively obtained through the two display areas, and the use experience effect of a user can be favorably improved.

In summary, the display device provided by the invention at least achieves the following beneficial effects:

Although some specific embodiments of the present invention have been described in detail by way of examples, it should be understood by those skilled in the art that the above examples are for illustrative purposes only and are not intended to limit the scope of the present invention. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the invention. The scope of the invention is defined by the appended claims.

Claims

1. A display device is characterized by comprising a knob structure and a first display panel, wherein the knob structure comprises a columnar rotator, the display area of the first display panel is positioned in the range limited by the columnar rotator along a first direction, and the first direction is the extension direction of the rotating shaft of the columnar rotator;

2. The display device according to claim 1, wherein the knob structure comprises a plurality of adjacent rotation positions, and the display screen type of the second display area in the mth rotation position is the same as the display screen type of the first display area in the m-1 rotation position, or the display screen type of the first display area in the m +1 rotation position, where m is greater than or equal to 2.

3. The display device according to claim 2, wherein the display screen of the second display region includes at least an icon corresponding to a display screen type.

4. The display device according to claim 1, further comprising a backlight module, wherein the first display panel is located at a light emitting surface of the backlight module; the backlight module comprises a lateral light source, and the lateral light source is located in an area defined by the main body part along the first direction.

5. The display device according to claim 4, wherein the backlight module further comprises a light guide plate including a first light guide part and a second light guide part, the first light guide part overlapping the first display region and the second light guide part overlapping the second display region along the first direction, wherein a reflective sheet is disposed on a sidewall of the second light guide part.

6. The display device as claimed in claim 5, wherein the light guide plate has light guide dots distributed thereon, and the distribution density of the light guide dots on the second light guide portion is less than that of the light guide dots on the first light guide portion.

7. The display device according to claim 5, wherein the first light guide part and the second light guide part are integrally formed.

8. The display device according to claim 1, further comprising a backlight module, wherein the first display panel is located at a light emitting surface of the backlight module; the backlight module comprises a direct type light source, the direct type light source comprises a plurality of light emitting elements, and the distribution density of the light emitting elements is the same in the first display area and the second display area.

9. The display device according to claim 1, wherein the main body portion has a cylindrical structure, and the protrusion has a triangular protrusion structure or a circular arc protrusion structure.

10. The display device according to claim 1, further comprising a second display panel, wherein the first display panel and the second display panel are electrically connected and located at different positions.

11. The display device according to claim 1, further comprising a second display panel, wherein the first display panel and the second display panel are electrically connected, and wherein the first display panel is integrated with a display region of the second display panel.

12. The display device according to claim 1, wherein the display device is an in-vehicle display device.