CN110246421B - Display device and display device control method - Google Patents
Display device and display device control method Download PDFInfo
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- CN110246421B CN110246421B CN201910533954.1A CN201910533954A CN110246421B CN 110246421 B CN110246421 B CN 110246421B CN 201910533954 A CN201910533954 A CN 201910533954A CN 110246421 B CN110246421 B CN 110246421B
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- 230000008859 change Effects 0.000 claims description 2
- 230000000007 visual effect Effects 0.000 abstract description 10
- 230000002087 whitening effect Effects 0.000 abstract description 7
- 238000005452 bending Methods 0.000 abstract description 4
- 239000012788 optical film Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 239000004973 liquid crystal related substance Substances 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
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- 239000000758 substrate Substances 0.000 description 1
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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
- G09F9/301—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 flexible foldable or roll-able electronic displays, e.g. thin LCD, OLED
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Abstract
The invention discloses a display device and a control method thereof, the display device comprises a display screen and a driving device, the display screen comprises a display panel, the display panel comprises a wide visual angle mode and a narrow visual angle mode, the display screen comprises a bending state and a straight state, the driving device is connected with the display screen and is used for changing the state of the display screen according to the display mode of the display panel: when the display panel displays in the wide viewing angle mode, the driving device drives the display screen to be in a flat state, and when the display panel displays in the narrow viewing angle mode, the driving device drives the display screen to be in a bent state. According to the display device and the display device control method provided by the invention, the display screen is bent in the narrow viewing angle mode, so that the problem of whitening or blackening caused by limited visual field of human eyes due to overlarge sizes of two sides of the display screen can be avoided, and an immersive experience can be provided for a user.
Description
Technical Field
The present invention relates to the field of display technologies, and in particular, to a display device and a display device control method.
Background
The liquid crystal display panel has the advantages of good picture quality, small volume, light weight, low driving voltage, low power consumption, no radiation and relatively low manufacturing cost, and is dominant in the field of flat panel display. With the continuous progress of the liquid crystal display technology, the viewing angle of the display screen has been widened from about 120 ° to over 160 °, and people want to effectively protect business confidentiality and personal privacy while enjoying the visual experience brought by a large viewing angle, so as to avoid business loss or embarrassment caused by the leakage of screen information, and therefore, the display screen is required to be capable of displaying in a narrow viewing angle mode.
For a small-sized liquid crystal display such as a notebook computer, the entire display including the middle and both sides can be seen in the user's visual field in the narrow viewing angle mode due to the small overall size. However, for a large-sized display screen, due to the limited field of vision of the user and the large size, when the human eyes look at the two sides of the display screen, due to the large visual angle, the visual effect of whitening or blackening occurs, which affects the experience of the user.
The foregoing description is provided for general background information and is not admitted to be prior art.
Disclosure of Invention
The invention aims to provide a display device and a display device control method for avoiding the problems of whitening or blackening in a narrow viewing angle mode.
The invention provides a display device, which comprises a display screen and a driving device, wherein the display screen comprises a display panel, the display panel comprises a wide viewing angle mode and a narrow viewing angle mode, the display screen comprises a bent state and a straight state, the driving device is connected to the display screen and is used for driving the display screen to realize the conversion between the bent state and the straight state, and the driving device is also used for converting the state of the display screen according to the display mode of the display panel: when the display panel displays in a wide viewing angle mode, the driving device drives the display screen to be in a flat state, and when the display panel displays in a narrow viewing angle mode, the driving device drives the display screen to be in a bent state.
In one embodiment, the display device further includes a control module, the display panel and the driving device are respectively connected to the control module, the control module is configured to send a display mode control signal to the display panel and the driving device, the display panel displays in a wide viewing angle mode or a narrow viewing angle mode according to the display mode control signal, and the driving device drives the display screen to be in a curved state or a straight state according to the display mode control signal.
In one embodiment, the driving device includes a telescopic rod, two ends of the telescopic rod are respectively connected to two ends of the display screen, and the telescopic rod is extended or shortened to enable the display screen to be in a straight state or a bent state.
In one embodiment, the telescopic rod includes a connecting rod, a matching rod and a gear, the two connecting rods are respectively connected to two ends of the display screen, the two matching rods are respectively connected to one ends of the two connecting rods far away from the end of the display screen, the matching rods are racks, the gear is respectively engaged with the two matching rods, and the two matching rods are respectively located on two opposite sides of the gear.
In one embodiment, the driving device comprises a telescopic rod, the display device further comprises a support, the support is arranged on one side of the display screen deviating from a display picture of the display screen, the support comprises a push plate, the middle of the push plate is fixedly connected with the display screen, the telescopic rod is correspondingly arranged between the end parts of the push plate and the display screen, and the telescopic rod is extended or shortened to enable the display screen to be in a bent state or a straight state.
In one of them embodiment, this display screen still includes backplate, light source subassembly and light guide plate, is equipped with in this backplate and holds the chamber, and this light source subassembly and this light guide plate are located and are held the intracavity, and this light source subassembly is established towards this light guide plate, and one side that this backplate was kept away from to this light guide plate is located to this display panel, and this display panel, light source subassembly and this light guide plate all include straight state and curved state, and this backplate makes this backplate can be in straight state and curved state including rotating first portion and the second portion of connecting.
In one embodiment, the back plate further comprises a third portion, and the second portion and the third portion are respectively connected with two ends of the first portion.
In one embodiment, the back plate further comprises a third portion, a fourth portion and a fifth portion, the second portion and the third portion are respectively rotatably connected with two ends of the first portion, the fourth portion is rotatably connected with one end of the second portion far away from the first portion, and the fifth portion is rotatably connected with one end of the third portion far away from the first portion.
The present invention also provides a display device control method, the display device including a display screen including a display panel, the display device control method including:
detecting a display mode of the display panel;
controlling the display screen to be in a bent state or a straight state according to the display mode of the display panel: when the display panel displays in a wide viewing angle mode, the display screen is in a flat state; when the display panel displays in a narrow viewing angle mode, the display screen is in a curved state.
According to the display device and the display device control method provided by the invention, the display screen can be bent in a narrow viewing angle mode, the problem of whitening or blackening caused by limited visual field of human eyes due to overlarge sizes of two sides of the display screen is avoided, and an immersive experience can be provided for a user.
Drawings
Fig. 1 is a schematic control diagram of a display device according to a first embodiment of the present invention.
Fig. 2 is a schematic view of the display screen of the display device shown in fig. 1 in a flat state.
Fig. 3 is a schematic view of the display screen of the display device shown in fig. 1 in a bent state.
Fig. 4 is a schematic structural diagram of the display device shown in fig. 1.
Fig. 5 is a schematic view of a part of the telescopic rod of the display device shown in fig. 4.
Fig. 6 is a schematic cross-sectional view of a display screen of the display device shown in fig. 4.
Fig. 7 is a schematic diagram of a back plate and a light source structure of a display screen of the display device shown in fig. 4.
Fig. 8 is a partial enlarged view of fig. 7 at VIII.
Fig. 9 is a schematic structural diagram of a back plate of a display screen of the display device shown in fig. 4 according to another embodiment.
Fig. 10 is a schematic view of the peep-proof principle of the display device shown in fig. 1.
Fig. 11 is a schematic structural diagram of a display device according to a second embodiment of the invention.
Fig. 12 is another angle view of the display device shown in fig. 11.
Fig. 13 is a flowchart illustrating a display screen control method according to a third embodiment of the invention.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
First embodiment
Referring to fig. 1, a display device according to an embodiment of the invention includes a display screen 10, a driving device 31 and a control device 36, where the display screen 10 includes a display panel 23. The display panel 23 includes a wide viewing angle mode and a narrow viewing angle mode, that is, the display panel 23 can realize wide and narrow viewing angle switching, as shown in fig. 2 and 3, and the display screen 10 includes a curved state and a flat state. The driving device 31 is connected to the display screen 10 and is used for driving the display screen 10 to realize the transformation between the curved state and the flat state. The display panel 23 and the driving device 31 are respectively connected to the control module 36, the control module 36 is configured to send a display mode control signal to the display screen 10 and the driving device 31, the display panel 23 displays in a wide viewing angle mode or a narrow viewing angle mode according to the display mode control signal, and the driving device 31 drives the display screen 10 to be in a curved state or a straight state according to the display mode control signal.
In the display device, the display screen can be bent in a narrow viewing angle mode, the problem of whitening or blackening caused by the limited visual field of human eyes due to the overlarge size of two sides of the display screen is avoided, and an immersive experience can be provided for a user.
As shown in fig. 4, in this embodiment, the display device further includes a bracket 33, the bracket 33 includes a side frame 332 and a base 336, and the driving device 31 includes a telescopic rod 314. The two side frames 332 are respectively connected to two ends of the display screen 10, two ends of the telescopic rod 314 are respectively connected to the two side frames 332, and two ends of the base 336 are respectively connected to bottom ends of the two side frames 332. In this embodiment, when the telescopic rod 314 is shortened, the distance between the two side frames 332 is shortened, thereby bending the display screen 10, and when the telescopic rod 314 is lengthened, the distance between the two side plates 332 is changed into a straight state, so that the display screen 10 is restored to the bent or straight state, thereby realizing the conversion of the bent or straight state. Specifically, two telescopic rods 314 may be provided, and are respectively connected to two ends of the side frame 332. It can be understood that the number of the telescopic rods 314 may also be one or three, and the like, which is not limited herein, but the two telescopic rods 314 may make the deformation of the display screen more stable, and may ensure that the stress of the display screen is balanced without distortion. It is understood that the side frame 332 may be omitted, and the telescopic rod 314 may be directly connected to both ends of the display screen 10.
In this embodiment, the base 336 is made of a deformable material, such as mild steel, that can be bent or returned to a straight position. The base 336 may be used to support the display device on a table top.
Specifically, referring to fig. 5, each telescopic rod 314 includes a connecting rod 3142, two matching rods 3144 and a gear 3146, for example, two connecting rods 3142 are respectively connected to the two side frames 332, two matching rods 3144 are respectively connected to one ends of the two connecting rods 3142 away from the side frames 332, the matching rods 3144 are racks, the gear 3146 is respectively engaged with the two matching rods 3144 to drive the matching rods 3144 to move when the gear 3146 rotates, and the two matching rods 3144 are respectively located on two opposite sides of the gear 3146 to enable the moving directions of the two matching rods 3144 to be opposite. Therefore, when the gear 3146 rotates, the engaging rod 3144 is moved, so that the two connecting rods 3142 move closer to or away from each other, thereby extending or retracting the retractable rod 314, but not limited thereto.
It can be understood that, in other embodiments, the telescopic rod 314 may also be a piston cylinder such as an oil cylinder or an air cylinder, as long as the telescopic action can be realized.
In this embodiment, the driving device 31 further includes a driving member (not shown) connected to the gear 3146 to drive the gear 3146 to rotate. The driving member may be a motor, and the motor rotates forward or backward to drive the telescopic rod 314 to extend or shorten.
Referring to fig. 6, the display screen 10 further includes a back plate 11, a reflection plate 13, a light source assembly 15, a light guide plate 17, an optical film 19, and a frame 21. Be equipped with in backplate 11 and hold the chamber, reflecting plate 13, light guide plate 17 and optics diaphragm 19 are folded in proper order and are located and hold the intracavity, and reflecting plate 13 is closer to the bottom of backplate 11 relative optics diaphragm 19, and light source subassembly 15 is located in backplate 11, and it is established towards light guide plate 17. The frames 21 are provided at both ends of the back plate 11. The display panel 23 is disposed on a side of the optical film 19 away from the back plate 11. The display panel 23, the reflection plate 13, the light guide plate 17, and the optical film 19 each include a flat state and a curved state. Referring to fig. 7 and 8, the back plate 11 includes a first portion 112, a second portion 114 and a third portion 115, and the second portion 114 and the third portion 115 are rotatably connected to two ends of the first portion 112 respectively, so that the back plate 11 can be in a straight state and a bent state.
In this display screen, because backplate 11 includes rotatable coupling's three, make it be in straight state and curved state, be equipped with crooked display panel again, can make whole display screen 10 can be crooked, like this under narrow visual angle mode, can be crooked with the display screen, avoid the both sides of display screen because the size is too big and the whitening or the blacking problem that the human eye field of vision is limited and appears to can also provide the experience of an immersive for the user.
In this embodiment, the back plate 11 further comprises a rotating shaft 116, and the second portion 114 and the third portion 115 are rotatably connected to the first portion 112 through the rotating shaft 116. In another embodiment, as shown in FIG. 9, the back plate 11 includes a first portion 112, a second portion 114, a third portion 115, a fourth portion 121 and a fifth portion 123, the second portion 114 and the third portion 115 are rotatably connected to two ends of the first portion 112, the fourth portion 121 is rotatably connected to one end of the second portion 114 away from the first portion 112, and the fifth portion 123 is rotatably connected to one end of the third portion 115 away from the first portion 112. By dividing the back plate 11 into more sections that are pivotally connected, the back plate can be made to achieve a variety of different curvatures and be more streamlined.
It is understood that in other embodiments, the back panel 11 may be divided into four portions, five portions or more than six portions, or the back panel 11 may be divided into two portions, and these arrangements all enable the back panel 11 to be in a straight state and a bent state, which are all the protection scope of the present invention.
In this embodiment, the backboard 11 comprises a bottom portion 118 and side portions 119, and the side portions 119 are disposed at both ends of the bottom portion 118.
In this embodiment, the reflective plate 13 is disposed on the bottom 118 of the back plate 11.
In this embodiment, the light source assembly 15 is disposed at the end of the back plate 11 and is located at the side of the light guide plate 17, and the light source assembly 15 is disposed near the side 119. Through locating the both ends of backplate 11 with light source subassembly 15, and be located light guide plate 17's side, consequently light source subassembly 15 need not the bending when crooked display screen, avoids damaging light source subassembly 15. Specifically in this embodiment, the display screen includes two light source subassemblies 15, and two light source subassemblies 15 locate the both sides of light guide plate 17 respectively, can make light more even like this, and it is very strong to avoid display screen one side light, and opposite side light is very weak. Specifically, the light source assembly 15 includes a fixing plate 152 and a plurality of light sources 154 fixed to the fixing plate 152. It is understood that the light source 154 may be, but is not limited to, an LED (light emitting diode) lamp. Light emitted from the light source assembly 15 enters the light guide plate 17, and a part of the light is reflected by the reflector 13 after being emitted to the reflector 13 and then enters the light guide plate 17.
In this embodiment, the light guide plate 17 is disposed on a side of the reflective plate 13 away from the back plate 11. The light guide plate 17 is used to change the light emitted from the light source assembly 15 from a line type to a plane type.
In this embodiment, the optical film 19 is disposed on a side of the light guide plate 17 away from the back plate 11. The optical film 19 includes a diffusion sheet.
In this embodiment, the frame 21 is located outside the side 119 of the backboard 11. Specifically, the frame 21 is a closed frame, and is wrapped outside the back plate 11.
In this embodiment, the display panel 23 is disposed on a side of the optical film 19 away from the back plate 11. Specifically, the display panel 23 may be a display panel in a structural form of a liquid crystal display panel, a cathode ray tube display panel, an OLED (organic light emitting diode) display panel, or the like, as long as it is switchable between a planar state and a curved state.
By using the display device of the invention, when the display panel displays in a wide viewing angle, the display screen is in a flat and straight state as shown in fig. 2, and multi-user sharing can be realized. When the display panel displays with a narrow viewing angle, the display screen is in a bent state as shown in fig. 3, and the viewing angle of a user for watching two sides of the display panel is reduced, so that the phenomenon that two sides are whitened or blacked can be avoided, and the user can experience in an immersion manner. As shown in fig. 10, it is assumed that the peep-proof angle of the display panel at the narrow viewing angle is 45 °, and the included angle between the tangent line of the display screen after bending and the straight display screen is α °, and then the corresponding peep-proof angle is α ° +45 °, for the large-size display panel, because the size is too large, in the straight state, the user at the front viewing angle of point a exceeds the peep-proof viewing angle when looking at both sides, and the phenomenon of whitening or blackening occurs, which affects the display effect. After the display screen is changed into the bent state, the peep-proof angle is increased, so that a user at the front view angle of the point A can normally see images on two sides of the display panel, and for a person beside the point B, the view angle of the person far exceeds 45 degrees, the person still cannot see the images on the display panel clearly, and the peep-proof effect in the bent state is not influenced.
Second embodiment
The second embodiment of the display device of the present invention is substantially the same as the first embodiment except that, as shown in fig. 11 and 12, the driving device 31 and the stand 33 of the present embodiment have different structures from the driving device 31 and the stand 33 of the display device of the first embodiment, and in the present embodiment, the stand 33 includes a base plate 338, a push plate 339 and a support 341, and the driving device 31 includes a telescopic rod 314'. The middle parts of the base plate 338 and the push plate 339 are respectively connected to the support 341 and fixed on the back plate 11 of the display screen 10, and the two telescopic rods 314' are respectively arranged corresponding to the two ends of the display screen 10 and are telescopically connected between the base plate 338 and the push plate 339. In this embodiment, when the telescopic rod 314 'is extended, the pushing plate 339 and the two ends of the display screen 10 move towards the side opposite to the base plate 338, so that the display screen 10 is bent, and when the telescopic rod 314' is shortened, the pushing plate 339 and the two ends of the display screen 10 move towards the side close to the base plate 338, so that the display screen 10 is restored to the straight state, and the conversion of the bent or straight state is realized. It can be understood that the number of the telescopic rods 314 'may also be one, three, four, etc., which is not limited herein, but the two ends of the display screen 10 are respectively provided with the telescopic rods 314' to make the deformation of the display screen more stable, and ensure that the stress balance of the display screen is not distorted. It is understood that the base plate 338 may be omitted and the extension rod 314' may be directly connected to the display screen 10.
Specifically, the base plate 338 is provided with a T-shaped groove 3382, one end of the telescopic rod 314' is provided with a stop lever 3148, and the stop lever 3148 is clamped in the T-shaped groove 3382.
In this embodiment, the extension rod 314' may be a piston cylinder such as an oil cylinder or an air cylinder. The telescopic rod 314' may also be a rack and pinion structure, and the like, which is not limited herein.
The stand 341 may be used to support the display device on a table top.
Third embodiment
The invention also provides a control method of the display device, the display device comprises a display screen 10, and the display screen 10 comprises a display panel 23. As shown in fig. 13, a control method of a display device according to an embodiment of the present invention includes:
s11, detecting the display mode of the display panel 23;
s13, controlling the display screen 10 to be in a curved state or a flat state according to the display mode of the display panel 23. Specifically, when the display panel 23 is displayed in the wide viewing angle mode, the display screen 10 is in a flat state; when the display panel 23 displays in the narrow viewing angle mode, the display screen 10 is in a curved state.
In the drawings, the size and relative sizes of layers and regions may be exaggerated for clarity. It will be understood that when an element such as a layer, region or substrate is referred to as being "formed on," "disposed on" or "located on" another element, it can be directly on the other element or intervening elements may also be present. In contrast, when an element is referred to as being "directly formed on" or "directly disposed on" another element, there are no intervening elements present.
In this document, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms can be understood in a specific case to those of ordinary skill in the art.
In this document, the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", "vertical", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for the purpose of clarity and convenience of description of the technical solutions, and thus, should not be construed as limiting the present invention.
As used herein, the ordinal adjectives "first", "second", etc., used to describe an element are merely to distinguish between similar elements and do not imply that the elements so described must be in a given sequence, either temporally, spatially, in ranking, or in any other manner.
As used herein, the meaning of "a plurality" or "a plurality" is two or more unless otherwise specified.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
As used herein, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, including not only those elements listed, but also other elements not expressly listed.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (10)
1. A display device, characterized in that it comprises a display screen (10) and a driving device (31), the display screen (10) comprising a display panel (23), the display panel (23) comprising a wide viewing angle mode and a narrow viewing angle mode, the display screen (10) comprising a curved state and a flat state, the driving device (31) being connected to the display screen (10), the driving device (31) being adapted to change the state of the display screen (10) depending on the display mode of the display panel (23): when the display panel (23) displays in the wide viewing angle mode, the driving device (31) drives the display screen (10) to be in a flat state, and when the display panel (23) displays in the narrow viewing angle mode, the driving device (31) drives the display screen (10) to be in a curved state.
2. The display device according to claim 1, wherein the display device further comprises a control module (36), the display panel (23) and the driving device (31) are respectively connected to the control module (36), the control module (36) is configured to send a display mode control signal to the display panel (23) and the driving device (31), the display panel (23) displays in a wide viewing angle mode or a narrow viewing angle mode according to the display mode control signal, and the driving device (31) drives the display screen (10) to be in a curved state or a straight state according to the display mode control signal.
3. The display device according to claim 1, wherein the driving device (31) comprises a telescopic rod (314), two ends of the telescopic rod (314) are respectively connected to two ends of the display screen (10), and the telescopic rod (314) is extended or shortened to enable the display screen (10) to be in a straight state or a bent state.
4. The display device according to claim 3, wherein the retractable rod (314) comprises a connecting rod (3142), two engaging rods (3144) and a gear (3146), the two connecting rods (3142) are respectively connected to two ends of the display screen (10), the two engaging rods (3144) are respectively connected to one ends of the two connecting rods (3142) far away from the ends of the display screen (10), the engaging rods (3144) are both racks, the gear (3146) is respectively engaged with the two engaging rods (3144), and the two engaging rods (3144) are respectively located at two opposite sides of the gear (3146).
5. The display device according to claim 1, wherein the driving device (31) comprises a telescopic rod (314 '), the display device further comprises a bracket (33) disposed on a side away from the display screen (10) for displaying pictures, the bracket (33) comprises a push plate (339), a middle portion of the push plate (339) is fixedly connected with the display screen (10), the telescopic rod (314 ') is correspondingly disposed between the push plate (339) and an end portion of the display screen (10), and the telescopic rod (314 ') is extended or shortened to enable the display screen (10) to be in a bent state or a straight state.
6. The display device as claimed in claim 1, wherein the display screen (10) further includes a back plate (11), a light source assembly (15) and a light guide plate (17), a receiving cavity is formed in the back plate (11), the light source assembly (15) and the light guide plate (17) are disposed in the receiving cavity, the light source assembly (15) is disposed toward the light guide plate (17), the display panel (23) is disposed on a side of the light guide plate (17) away from the back plate (11), the display panel (23), the light source assembly (15) and the light guide plate (17) all include a flat state and a curved state, and the back plate (11) includes a first portion (112) and a second portion (114) rotatably connected to each other, so that the back plate (11) can be in the flat state and the curved state.
7. The display device according to claim 6, wherein the back plate (11) further comprises a third portion (115), and the second portion (114) and the third portion (115) are rotatably connected to both ends of the first portion (112), respectively.
8. The display device according to claim 7, wherein the back plate (11) further comprises a fourth portion (121) and a fifth portion (123), the second portion (114) and the third portion (115) are respectively rotatably connected to two ends of the first portion (112), the fourth portion (121) is rotatably connected to an end of the second portion (114) away from the first portion (112), and the fifth portion (123) is rotatably connected to an end of the third portion (115) away from the first portion (112).
9. The display device as claimed in claim 6, wherein the light source assembly (15) is disposed at an end of the back plate (11) and is located at a side of the light guide plate (17).
10. A display device control method, the display device including a display screen (10), the display screen (10) including a display panel (23), characterized by comprising:
detecting a display mode of the display panel (23);
controlling the display screen (10) to be in a curved state or a flat state according to the display mode of the display panel (23): when the display panel (23) displays in a wide viewing angle mode, the display screen (10) is in a flat state; when the display panel (23) displays in a narrow viewing angle mode, the display screen (10) is in a curved state.
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| CN201910533954.1A CN110246421B (en) | 2019-06-19 | 2019-06-19 | Display device and display device control method |
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| CN201910533954.1A CN110246421B (en) | 2019-06-19 | 2019-06-19 | Display device and display device control method |
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Citations (11)
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