WO2022257277A1 - 显示装置 - Google Patents

显示装置 Download PDF

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Publication number
WO2022257277A1
WO2022257277A1 PCT/CN2021/115215 CN2021115215W WO2022257277A1 WO 2022257277 A1 WO2022257277 A1 WO 2022257277A1 CN 2021115215 W CN2021115215 W CN 2021115215W WO 2022257277 A1 WO2022257277 A1 WO 2022257277A1
Authority
WO
WIPO (PCT)
Prior art keywords
opening
curved
display area
display module
display device
Prior art date
Application number
PCT/CN2021/115215
Other languages
English (en)
French (fr)
Inventor
张允题
Original Assignee
武汉华星光电半导体显示技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 武汉华星光电半导体显示技术有限公司 filed Critical 武汉华星光电半导体显示技术有限公司
Priority to US17/623,895 priority Critical patent/US20240214479A1/en
Publication of WO2022257277A1 publication Critical patent/WO2022257277A1/zh

Links

Classifications

    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/026—Details of the structure or mounting of specific components
    • H04M1/0264—Details of the structure or mounting of specific components for a camera module assembly
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
    • H01L27/15—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components having potential barriers, specially adapted for light emission
    • H01L27/153—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components having potential barriers, specially adapted for light emission in a repetitive configuration, e.g. LED bars
    • H01L27/156—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components having potential barriers, specially adapted for light emission in a repetitive configuration, e.g. LED bars two-dimensional arrays
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/026—Details of the structure or mounting of specific components
    • H04M1/0266—Details of the structure or mounting of specific components for a display module assembly
    • H04M1/0268—Details of the structure or mounting of specific components for a display module assembly including a flexible display panel
    • H04M1/0269—Details of the structure or mounting of specific components for a display module assembly including a flexible display panel mounted in a fixed curved configuration, e.g. display curved around the edges of the telephone housing
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/10—OLED displays
    • H10K59/12—Active-matrix OLED [AMOLED] displays
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/60—OLEDs integrated with inorganic light-sensitive elements, e.g. with inorganic solar cells or inorganic photodiodes
    • H10K59/65—OLEDs integrated with inorganic image sensors
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K2102/00—Constructional details relating to the organic devices covered by this subclass
    • H10K2102/301—Details of OLEDs
    • H10K2102/311—Flexible OLED

Definitions

  • the present application relates to the field of display technology, and in particular to a display device.
  • the four rounded areas are Gaussian three-dimensional curved areas.
  • the curved screen attached to the Gaussian three-dimensional curved area is subject to forces in three directions, which is prone to wrinkles, bubbles and other phenomena.
  • a known solution is to "cut off" the Gaussian surface in the four-curved screen so that no Gaussian surface exists.
  • the screen-to-body ratio of the four-curved screen will be reduced. When looking down, the four rounded corners will display missing images, and the space utilization of the four-curved screen will be greatly reduced.
  • the purpose of the present application is to provide a display device capable of improving space utilization.
  • the application provides a display device, which includes:
  • the main display module is arranged on the middle frame, the main display module includes a main display area and a curved display area, the curved display area is connected around the main display area, and the curved display area includes a second a curved display area and a second curved display area, the first curved display area extends along a first direction, the second curved display area extends along a second direction, the first direction intersects the second direction, A first opening is opened at the junction of the first curved display area and the second curved display area; and
  • the functional element is arranged on the middle frame, and the functional element is located in the first opening.
  • the functional element includes one of a camera, a button, a speaker, and a sensor.
  • the display device further includes an auxiliary display module, the auxiliary display module is arranged on the middle frame corresponding to the first opening, and the auxiliary display module covers the functional elements .
  • a through hole is opened in the auxiliary display module, the functional element includes a functional part, and the through hole is used to expose the functional part.
  • the auxiliary display module is detachably or reversibly installed in the first opening.
  • the functional element is shrinkably arranged in the first opening, and the auxiliary display module covers the functional element in a detachable or openable manner.
  • the auxiliary display module covers the functional element, and the functional element is located in the first opening.
  • the auxiliary display module is away from the functional element The functional element protrudes from the first opening.
  • the curved display area further includes a third curved display area and a fourth curved display area, the third curved display area is set opposite to the first curved display area, and the fourth curved display area
  • the area is set opposite to the second curved display area, the second curved display area and the fourth curved display area are respectively connected between the first curved display area and the third curved display area, the A second opening is opened at the junction of the first curved display area and the fourth curved display area, a third opening is opened at the junction of the second curved display area and the third curved display area, and the third opening is opened at the junction of the second curved display area and the third curved display area.
  • a fourth opening is formed at the junction of the curved display area and the fourth curved display area, and the functional element is disposed in at least one of the second opening, the third opening and the fourth opening.
  • an auxiliary display module is disposed in both the first opening and the second opening, and the functional element is disposed in both the third opening and the fourth opening.
  • a volume control button is disposed in the first opening, a camera is disposed in the second opening, and a speaker is disposed in both the third opening and the fourth opening.
  • the auxiliary display module includes a substrate, a driving circuit layer, and a light emitting layer
  • the substrate includes a curved surface
  • the driving circuit layer is disposed on the curved surface
  • the light emitting layer is electrically connected to The side of the driving circuit layer away from the substrate.
  • the driving circuit layer and the light emitting layer have curved surfaces matching the curved surfaces.
  • the light emitting layer is one of a light emitting diode chip, a micro light emitting diode chip, a submillimeter light emitting diode and an organic light emitting diode device.
  • the auxiliary display module further includes an encapsulation layer and a curved cover plate, the encapsulation layer encapsulates the light-emitting layer, and the curved cover plate covers a side of the encapsulation layer away from the substrate.
  • the range of the first opening covers a region subjected to bending stress in three directions between the first curved surface area and the second curved surface display area.
  • the middle frame includes a bottom wall and side walls disposed around the bottom wall, and a junction between two adjacent side walls of the middle frame is formed as a rounded corner.
  • a groove is opened between two adjacent side walls of the middle frame, the groove corresponds to the first opening, and the functional element is located between the first opening and the first opening. In the groove corresponding to the first opening.
  • the auxiliary display module is a rigid display module.
  • the main display module is a flexible display module.
  • the present application provides a display device.
  • the display device includes a middle frame; a main display module is arranged on the middle frame, the main display module includes a main display area and a curved display area, and the curved display area is connected around the main display area, so
  • the curved display area includes a first curved display area and a second curved display area, the first curved display area extends along a first direction, the second curved display area extends along a second direction, and the first direction is consistent with the The second direction intersects, a first opening is opened at the junction of the first curved display area and the second curved display area; and functional elements are arranged on the middle frame, and the functional elements are located on the In the first opening.
  • the first opening is provided at the junction of the first curved display area and the second curved display area to prevent the Gaussian curved surface from being wrinkled due to stress, and at the same time, the first opening is used to set functional elements to make full use of the space. Further, by opening an opening at the junction of two adjacent sub-curved display areas and setting an auxiliary display module, the screen-to-body ratio of the display device can be increased and a true full-screen display can be realized.
  • FIG. 1 is a schematic perspective view of a display device provided by an embodiment of the present application.
  • FIG. 2 is an exploded view of the display device in FIG. 1 .
  • FIG. 3 is a schematic top view of the main display module in FIG. 1 .
  • Fig. 4(a) is an enlarged schematic diagram of the functional elements in the first opening;
  • Fig. 4(b) is a schematic diagram of the functional elements in the second opening;
  • Fig. 4(c) is a schematic diagram of the functional elements in the third opening.
  • FIG. 5 is a schematic top view of the display device in FIG. 1 .
  • FIG. 6 is a schematic cross-sectional view of the auxiliary display module.
  • FIG. 7 is a schematic diagram of a display device in a second state according to an embodiment of the present application.
  • FIG. 8 is a schematic diagram of a display device in a third state according to an embodiment of the present application.
  • the present application provides a display device, which includes a middle frame, a main display module and functional elements.
  • the main display module is arranged on the middle frame.
  • the main display module includes a main display area and a curved display area.
  • the curved surface display area is connected around the main display area.
  • the curved display area includes a first curved display area and a second curved display area.
  • the first curved display area extends along a first direction.
  • the second curved display area extends along the second direction.
  • the first direction intersects the second direction.
  • a first opening is opened at the junction of the first curved display area and the second curved display area.
  • the functional elements are arranged on the middle frame. A functional element is located in the first opening.
  • the first opening is provided at the junction of the first curved display area and the second curved display area to prevent the Gaussian curved surface from being wrinkled due to stress, and at the same time, the first opening is used to set functional elements to make full use of the space.
  • the main display module and functional components are all arranged on the middle frame and supported by the middle frame. Compared with the prior art, the functional elements are arranged on the frame, which can achieve the effect of narrowing the frame.
  • the display device 100 provided in the embodiment of the present application may be any one of a mobile phone, a tablet computer, a notebook, a game machine, a wearable device, and the like.
  • FIG. 1 is a schematic perspective view of a display device provided in an embodiment of the present application.
  • FIG. 2 is an exploded view of the display device in FIG. 1 .
  • the display device 100 includes a middle frame 10 , a main display module 20 and functional elements 30 .
  • the main display module 20 and the functional elements 30 are both disposed on the middle frame 10 .
  • the display device 100 generally includes a front case (not shown), a back cover (not shown), and a middle frame 10 between the front case and the back cover. Buttons can be set on the middle frame 10, or speaker holes can be provided.
  • the shape of the middle frame 10 in plan view is a rounded rectangle.
  • the middle frame 10 includes a bottom wall 11 and side walls 12 disposed around the bottom wall 11 .
  • the bottom wall 11 and the side wall 12 form an accommodating space for accommodating components of the display device 100 .
  • the junction of two adjacent side walls 12 of the frame 10 in the main display module 20 is formed as a rounded corner.
  • a slot 10 a is opened between two adjacent side walls 12 .
  • the cutout 10a is used for arranging the functional element 30 .
  • the middle frame 10 can be made of metal material.
  • the main display module 20 covers the middle frame 10 .
  • the main display module 20 can cover a part of the side wall 12 of the middle frame 10 .
  • the main display module 20 is a flexible display module.
  • the main display module 20 may be an active light-emitting display module, such as: an organic light-emitting diode (Organic Light-emitting Diode, OLED) display module, an active matrix organic light-emitting diode (Active Matrix Organic Light-emitting Diode, AMOLED) display module, Passive Matrix Organic Light-emitting Diode (Passive Matrix Organic Light-emitting Diode, PMOLED) display module, quantum dot organic light-emitting diode (Quantum Dot Light-emitting Diode, QLED) display module, micro light-emitting diode (Micro Light-emitting Diode, Micro-LED) display module and sub-millimeter light-emitting diode (Mini Light-e
  • the main display module 20 includes a main display area 21 and a curved display area 22 .
  • the main display area 21 is disposed above the bottom wall 11 of the middle frame 10 .
  • the curved display area 22 of the main display module 20 is attached to the side wall 12 of the middle frame 10 and connected between the main display area 21 and the middle frame 10 .
  • the curved display area 22 is connected around the main display area 21 .
  • the curved surface display area 22 includes at least two sub-curved surface display areas.
  • the main display module 20 may have four sub-curved display areas, that is, the main display module 20 may be a four-curved display screen.
  • the main display module 20 may also have more than four sub-curved display areas. In this embodiment, the main display area 21 may be rectangular.
  • the main display area 21 may also be in the shape of a rounded rectangle, triangle, circle, polygon, or the like.
  • the curved display area 22 includes a first curved display area 221 , a second curved display area 222 , a third curved display area 223 and a fourth curved display area 224 .
  • the first curved display area 221 and the third curved display area 223 extend along the first direction D1.
  • the second curved display area 222 and the fourth curved display area 224 extend along the second direction D2.
  • the first direction D1 intersects the second direction D2. Specifically, in this embodiment, the first direction D1 is perpendicular to the second direction D2.
  • the third curved display area 223 is opposite to the first curved display area 221 .
  • the fourth curved display area 224 is opposite to the second curved display area 222 .
  • the second curved display area 222 and the fourth curved display area 224 are respectively connected between the first curved display area 221 and the third curved display area 223 .
  • the present application does not limit the positions of the first curved display area 221 , the second curved display area 222 , the third curved display area 223 and the fourth curved display area 224 .
  • the first curved display area 221 is located on the lower side of the display device 100
  • the third curved display area 223 is located on the upper side of the display device 100
  • the second curved display area 222 is located on the right side of the display device 100
  • the fourth curved display area 222 is located on the right side of the display device 100.
  • the curved display area 224 is located on the left side of the display device 100 .
  • the first curved display area 221 , the second curved display area 222 , the third curved display area 223 , and the fourth curved display area 224 are respectively in the direction from close to the main display area 21 to away from the main display area 21 and perpendicular to the extending direction thereof.
  • the bending axis DB is bent.
  • the second curved display area 222 is curved along a bending axis DB perpendicular to its extending direction from close to the main display area 21 to away from the main display area 21 .
  • FIG. 3 is a schematic top view of the main display module in FIG. 1 .
  • a first opening 201 is defined at the junction of the first curved display area 221 and the second curved display area 222 .
  • a second opening 202 is defined at the junction of the first curved display area 221 and the fourth curved display area 224 .
  • a third opening 203 is defined at the junction of the second curved display area 222 and the third curved display area 223 .
  • a fourth opening 204 is defined at the junction of the third curved display area 223 and the fourth curved display area 224 .
  • Each opening corresponds to a slot 10 a opened on the middle frame 10 .
  • the flexible display panel When a flexible display panel is used to form the main display area 21 , the first curved display area 221 and the second curved display area 222 , the flexible display panel is at the junction of the first curved display area 221 and the second curved display area 222 , bent in three directions, and thus subjected to bending stress in three directions. Under the bending stress in three directions, the film layers of the flexible display panel are prone to wrinkles and air bubbles, which affect the display effect. Thus, the first opening 201 is opened at the junction of the first curved display area 221 and the second curved display area 222 to prevent wrinkles from forming here and affecting the display effect.
  • the present application does not limit the size of the opening, as long as the range of the first opening 201 covers the area subjected to bending stress in three directions.
  • the range of the first opening 201 just covers the area subjected to bending stress in three directions.
  • the first opening 201 may also cover a larger or smaller area.
  • the range of the first opening 201 not only covers a part of the region subjected to bending stress in three directions, but also covers a region next to the region subjected to bending stress in three directions.
  • the display device 100 in other embodiments, there may be more than three junctions of sub-curved display areas, and the junctions of more than three sub-curved display areas will be subjected to bending stress in more than three directions. In order to prevent wrinkles from being formed here, openings may also be formed at the junctions of more than three sub-curved display areas.
  • the positions and sizes of the second opening 202 , the third opening 203 and the fourth opening 204 are similar to those of the first opening 201 , and will not be repeated here.
  • the functional element 30 is disposed on the middle frame 10 .
  • the functional element 30 can be fixed on the middle frame 10 by welding, or can be detachably installed on the middle frame 10 by other connection methods, such as buckle.
  • the functional element 30 is located in the first opening 201 and the groove 10 a corresponding to the first opening 201 . Thus, the space is fully utilized.
  • each of the first opening 201 , the second opening 202 , the third opening 203 and the fourth opening 204 is provided with a functional element 30 .
  • Figure 4(a) is an enlarged schematic diagram of the functional elements in the first opening
  • Figure 4(b) is a schematic diagram of the functional elements in the second opening
  • Figure 4( c) Schematic diagram of the functional elements in the third opening. Since the functional elements 30 in the fourth opening 204 in this embodiment are the same as those in the third opening 203 , their schematic diagrams are omitted again.
  • a volume control button is disposed in the first opening 201 .
  • a camera is disposed in the second opening 202 .
  • Both the third opening 203 and the fourth opening 204 are provided with speakers. The two loudspeakers are respectively located on the left and right sides above the display device 100 to obtain a better sound amplification effect.
  • the functional element 30 is disposed in the third opening 203 and the fourth opening 204 .
  • the functional element 30 includes one or more of a camera, a button, a speaker, and a sensor.
  • the key may be a volume key, a power key, or a direction control key for games, and the like.
  • the sensor may be a fingerprint recognition sensor, a light sensor, or a distance sensor.
  • the functional element 30 includes a functional part.
  • the functional portion of the functional element 30 refers to the part of the functional element 30 that is used to interact with the outside world, receive or transmit signals, and thus perform functions. For example, the lighting part of the camera, the physical button part of the button, the speaker hole of the speaker, the signal collection part of the sensor, etc.
  • the functional part of the functional element 30 is used to receive or collect external signals, therefore, the functional part is exposed to the user in the state of use.
  • the display device 100 further includes an auxiliary display module 40 .
  • the auxiliary display module 40 is disposed on the middle frame 10 .
  • the auxiliary display module 40 can be fixed on the middle frame 10 , and can also be detachably arranged on the middle frame 10 .
  • the main display module 20 cooperates with the auxiliary display module 40 to form a complete four-curved display screen.
  • the main display module 20 cooperates with the auxiliary display module 40 to form a display screen of the display device 100 .
  • the main display module 20 and the auxiliary display module 40 are spliced together.
  • the main display module 20 is connected with the auxiliary display module 40 through a connecting piece.
  • the main display module 20 and the auxiliary display module 40 can be connected to different driver chips and be driven by different driver chips, or can be connected to the same driver chip and be driven by the same driver chip.
  • the auxiliary display module 40 is disposed in at least one of the first opening 201 , the second opening 202 , the third opening 203 and the fourth opening 204 .
  • the auxiliary display module 40 is disposed in the first opening 201 , the second opening 202 , the third opening 203 and the fourth opening 204 .
  • the curved display area 22 includes more than four sub-curved display areas.
  • openings are provided between two adjacent sub-curved display areas.
  • An auxiliary display module 40 is disposed in at least one of the openings.
  • the screen ratio of the display device 100 can be increased to achieve a true full-screen display.
  • the auxiliary display module 40 can be independent from the main display module 20 to display separately.
  • the display of the main display module 20 can be used to display a user interface or an image.
  • the auxiliary display module 40 independently displays information such as weather, time, and electricity.
  • the main display module 20 is turned on to display a user interface or an image, the auxiliary display module 40 displays information such as weather, time, and electricity.
  • the main display module 20 is turned off, the auxiliary display module 40 still displays information such as weather, time, and power.
  • the auxiliary display module 40 can also display images together with the main display module 20 .
  • the main display module 20 when the main display module 20 is turned on to display a user interface or an image, the auxiliary display module 40 and the main display module 20 jointly display a complete picture.
  • the main display module 20 is turned off, the auxiliary display module 40 is also turned off.
  • the display device 100 receives a wake-up command from the auxiliary display module 40 , the auxiliary display module 40 independently displays information such as weather and time.
  • the auxiliary display module 40 is detachably installed in the first opening 201 .
  • the auxiliary display module 40 and the middle frame 10 can be fixed to each other by buckling, buckling, magnets or screws.
  • an installation groove may be provided on the middle frame 10 of the display device 100 .
  • the installation groove is disposed around the first opening 201 .
  • the detachable auxiliary display module 40 is provided with a mounting block for engaging with the mounting slot.
  • the auxiliary display module 40 is foldably installed in the first opening 201 .
  • the auxiliary display module 40 and the middle frame 10 can be fixed to each other by buckling, buckling, magnets or screws.
  • one end of the openable auxiliary display module 40 is fixedly connected to the middle frame 10 , and the other end is detachably connected.
  • the auxiliary display module 40 can be a rigid display module. That is, the auxiliary display module 40 has a preset fixed shape and cannot be bent or folded.
  • the auxiliary display module 40 can be an active light emitting display module, for example: an organic light emitting diode display module, an active matrix organic light emitting diode display module, a passive matrix organic light emitting diode display module, a quantum dot organic light emitting diode display module, One of micro-light-emitting diode display modules and submillimeter light-emitting diode display modules.
  • the auxiliary display module 40 includes a substrate 41 , a driving circuit layer 42 and a light emitting layer 43 .
  • the substrate 41 includes a curved surface CS.
  • the driving circuit layer 42 is disposed on the curved surface CS.
  • the light emitting layer 43 is electrically connected to a side of the driving circuit layer 42 away from the substrate 41 .
  • the driving circuit layer 42 and the light emitting layer 43 have curved surfaces matching the curved surface CS.
  • the material of the substrate 41 may be glass or plastic.
  • the curved glass is formed through processing techniques such as glass hot bending and polishing.
  • the curved plastic is formed by injection molding.
  • the shape of the other surface of the substrate 41 is not limited, and it may be a curved surface or a plane.
  • the drive circuit layer 42 includes drive circuits for light emitting elements.
  • the drive circuit includes thin film transistors.
  • the thin film transistor is a bottom gate thin film transistor.
  • the thin film transistor includes a gate GE, a gate insulating layer GI, an active layer CL, a source SE and a drain DE which are stacked in sequence.
  • the grid GE is disposed on a curved surface.
  • the gate insulating layer GI covers the gate GE and the substrate 41 .
  • the active layer CL is located on the side of the gate insulating layer GI away from the substrate 41 .
  • the active layer CL is provided corresponding to the gate GE.
  • the source SE and the drain DE are located on a side of the active layer CL away from the gate GE, and are respectively connected to two ends of the active layer CL.
  • the driving circuit layer 42 is formed by forming a driving circuit on a curved surface using exposure, development, and etching.
  • the light emitting layer 43 includes a light emitting element.
  • the light emitting element is one of a light emitting diode chip, a micro light emitting diode chip, a submillimeter light emitting diode and an organic light emitting diode device.
  • the light emitting element is a micro light emitting diode chip.
  • the light emitting layer 43 is formed by binding the light emitting elements to the driving circuit layer 42 using mass transfer technology.
  • the auxiliary display module 40 further includes an encapsulation layer 44 and a curved cover 45 .
  • the encapsulation layer 44 encapsulates the light emitting layer 43 .
  • the curved cover 45 covers a side of the encapsulation layer 44 away from the substrate 41 .
  • the substrate 41 has a curved surface
  • the driving circuit layer 42 and the light emitting layer 43 are formed on the curved surface
  • the driving circuit layer 42 and the light emitting layer 43 form a curved surface shape matching the curved surface according to the shape of the curved surface
  • the auxiliary display module 40 When assembling the display device 100 with the main display module 20 and the middle frame 10 , no bending is required, thereby avoiding the occurrence of wrinkles.
  • a through hole 40 a is opened in the auxiliary display module 40 .
  • the through hole 40 a is used to expose the functional part of the functional element 30 .
  • the size of the through hole 40a in this application can be set according to the display requirements, so that when the screen is viewed frontally, the screen presented in the user's field of view is a complete full screen, and the functional elements 30 are covered or blocked by the auxiliary display module 40 .
  • the auxiliary display module 40 is detachably or reversibly installed in the first opening 201 .
  • the auxiliary display module 40 covers the functional element 30 .
  • the auxiliary display module 40 can be used to protect the functional element 30 and facilitate maintenance when the functional element 30 fails.
  • the display device 100 has a first state and a second state. In the first state, the auxiliary display module 40 may or may not display, and the functional element 30 is covered by the auxiliary display module 40 . In the second state, the auxiliary display module 40 may or may not display, and the functional element 30 is exposed from below the auxiliary display module 40 . Please refer to FIG.
  • FIG. 7 is a schematic diagram of a display device in a second state according to an embodiment of the present application.
  • the functional element 30 is exposed from the first opening 201 .
  • the functional element 30 is shrinkably disposed in the first opening 201 .
  • the auxiliary display module 40 covers the functional element 30 in a detachable or openable manner.
  • FIG. 5 when the display device 100 is in the first state, the functional element 30 is located in the first opening 201 , and the auxiliary display module 40 covers the functional element 30 .
  • the display device 100 also has a third state. In the third state, the functional element 30 can protrude from the first opening 201 to perform its function.
  • FIG. 8 is a schematic diagram of a display device in a third state according to an embodiment of the present application.
  • the functional element 30 protrudes from the first opening 201 .
  • the functional element 30 is a camera
  • the camera can protrude from the first opening 201 to take pictures.
  • an auxiliary display module 40 is disposed in each of the first opening 201 , the second opening 202 , the third opening 203 and the fourth opening 204 .
  • a functional element 30 is disposed below each auxiliary display module 40 .
  • the auxiliary display module 40 is disposed in a part of the openings, and the functional element 30 is disposed in the other part of the openings.
  • the auxiliary display module 40 is disposed in the first opening 201 and the second opening 202
  • the functional element 30 is disposed in the third opening 203 and the fourth opening 204 .
  • the auxiliary display modules 40 in the first opening 201 and the second opening 202 are arranged on the left and right sides of the display device 100 oppositely, and the functional elements 30 in the third opening 203 and the fourth opening 204 are also arranged on the display device 100 oppositely.
  • the symmetrical design is more convenient for users to operate.
  • each of the first opening 201 , the second opening 202 , the third opening 203 and the fourth opening 204 is provided with a functional element 30 .
  • the auxiliary display module 40 is not covered above the functional element 30 .
  • the present application provides a display device.
  • the display device includes a middle frame; a main display module is arranged on the middle frame, the main display module includes a main display area and a curved display area, and the curved display area is connected around the main display area, so
  • the curved display area includes a first curved display area and a second curved display area, the first curved display area extends along a first direction, the second curved display area extends along a second direction, and the first direction is consistent with the The second direction intersects, a first opening is opened at the junction of the first curved display area and the second curved display area; and functional elements are arranged on the middle frame, and the functional elements are located on the In the first opening.
  • the first opening is provided at the junction of the first curved display area and the second curved display area to prevent the Gaussian curved surface from being wrinkled due to stress, and at the same time, the first opening is used to set functional elements to make full use of the space.

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Abstract

本申请提供一种显示装置。显示装置包括中框；主显示模组，设置于所述中框上，所述主显示模组包括第一曲面显示区和第二曲面显示区，所述第一曲面显示区与所述第二曲面显示区的交界处开设有第一开口；以及功能元件，设置于所述中框上，且所述功能元件位于所述第一开口中。

Description

显示装置 技术领域
本申请涉及显示技术领域，尤其涉及一种显示装置。
 背景技术
随着人们审美水平的变化及移动终端产品的发展，人们逐渐追求具有圆润曲线的手机终端外观，由此发展出双面曲显示技术。随着双曲面技术日趋完善，又衍生出弧线更加优美、差异化外观、屏占比更大的四面曲屏。
然而，在四曲面屏中，四个圆角区域为高斯三维曲面区。贴合于高斯三维曲面区的曲面屏受到三个方向的力，容易发生褶皱、气泡等现象。已知的一种解决方案是将四曲面屏中的高斯曲面“截掉”，使其不存在高斯面。但高斯面被截去之后，会降低四曲面屏的屏占比，在俯视时，四个圆角区域显示图像缺失，四曲面屏的空间利用率大大降低。
 技术问题
有鉴于此，本申请目的在于提供一种能够提高空间利用率的显示装置。
 技术解决方案
本申请提供一种显示装置，其包括：
中框；
主显示模组，设置于所述中框上，所述主显示模组包括主显示区和曲面显示区，所述曲面显示区连接于所述主显示区的四周，所述曲面显示区包括第一曲面显示区和第二曲面显示区，所述第一曲面显示区沿第一方向延伸，所述第二曲面显示区沿第二方向延伸，所述第一方向与所述第二方向相交，所述第一曲面显示区与所述第二曲面显示区的交界处开设有第一开口；以及
功能元件，设置于所述中框上，且所述功能元件位于所述第一开口中。
在一种实施方式中，所述功能元件包括摄像头、按键、扬声器、传感器中的一种。
在一种实施方式中，所述显示装置还包括辅助显示模组，所述辅助显示模组对应于所述第一开口设置在所述中框上，所述辅助显示模组覆盖所述功能元件。
在一种实施方式中，所述辅助显示模组中开设有通孔，所述功能元件包括功能部，所述通孔用于暴露所述功能部。
在一种实施方式中，所述辅助显示模组可拆卸或者可翻开地安装于所述第一开口中。
在一种实施方式中，所述功能元件可收缩地设置于所述第一开口内，所述辅助显示模组可拆卸或者可翻开地覆盖所述功能元件，当所述显示装置处于第一状态下时，所述辅助显示模组覆盖所述功能元件，所述功能元件位于所述第一开口内，当所述显示装置处于第二状态下时，所述辅助显示模组远离所述功能元件，所述功能元件从所述第一开口内伸出。
在一种实施方式中，所述曲面显示区还包括第三曲面显示区和第四曲面显示区，所述第三曲面显示区与所述第一曲面显示区相对设置，所述第四曲面显示区与所述第二曲面显示区相对设置，所述第二曲面显示区和所述第四曲面显示区分别连接于所述第一曲面显示区与所述第三曲面显示区之间，所述第一曲面显示区与所述第四曲面显示区的交界处开设有第二开口，所述第二曲面显示区与所述第三曲面显示区的交界处开设有第三开口，所述第三曲面显示区与所述第四曲面显示区的交界处开设有第四开口，所述第二开口、所述第三开口和所述第四开口的至少一个中设置有所述功能元件。
在一种实施方式中，所述第一开口与所述第二开口中均设置有辅助显示模组，所述第三开口和所述第四开口中均设置有所述功能元件。
在一种实施方式中，所述第一开口中设置有音量控制按键，所述第二开口中设置有摄像头，所述第三开口和所述第四开口中均设置有扬声器。
在一种实施方式中，所述辅助显示模组包括衬底、驱动电路层以及发光层，所述衬底包括曲面，所述驱动电路层设置于所述曲面上，所述发光层电连接于所述驱动电路层远离所述衬底的一侧。
在一种实施方式中，所述驱动电路层和所述发光层具有与所述曲面相匹配的弯曲表面。
在一种实施方式中，所述发光层为发光二极管芯片、微发光二极管芯片、亚毫米发光二极管和有机发光二极管器件中的一种。
在一种实施方式中，所述辅助显示模组还包括封装层和曲面盖板，所述封装层封装所述发光层，所述曲面盖板覆盖于所述封装层远离衬底的一面上。
在一种实施方式中，所述第一开口的范围覆盖所述第一曲面区与所述第二曲面显示区之间受到三个方向的弯折应力的区域。
在一种实施方式中，所述中框包括底壁和围绕所述底壁设置的侧壁，所述中框的相邻两个侧壁的交界处形成为圆角。
在一种实施方式中，所述中框的相邻两个所述侧壁之间开设有挖槽，所述挖槽与所述第一开口对应，所述功能元件位于所述第一开口和与所述第一开口对应的挖槽中。
在一种实施方式中，所述辅助显示模组为刚性显示模组。
在一种实施方式中，所述主显示模组为柔性显示模组。
 有益效果
本申请提供一种显示装置。显示装置包括中框；主显示模组，设置于所述中框上，所述主显示模组包括主显示区和曲面显示区，所述曲面显示区连接于所述主显示区的四周，所述曲面显示区包括第一曲面显示区和第二曲面显示区，所述第一曲面显示区沿第一方向延伸，所述第二曲面显示区沿第二方向延伸，所述第一方向与所述第二方向相交，所述第一曲面显示区与所述第二曲面显示区的交界处开设有第一开口；以及功能元件，设置于所述中框上，且所述功能元件位于所述第一开口中。本申请的显示装置的通过在第一曲面显示区和第二曲面显示区的交界处开设第一开口，避免高斯曲面受到应力产生褶皱，同时利用第一开口设置功能元件，充分利用空间。进一步，通过在相邻两个子曲面显示区的交界处开设开口，并设置辅助显示模组，能够提高显示装置的屏占比，实现真正的全面屏显示。
 附图说明
为了更清楚地说明本申请中的技术方案，下面将对实施方式描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本申请的一些实施方式，对于本领域技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1为本申请一实施方式提供的显示装置的立体示意图。
图2为图1的显示装置的爆炸图。
图3是图1的主显示模组的俯视示意图。
图4（a）为第一开口中的功能元件的放大示意图；图4（b）为第二开口中的功能元件的示意图；图4（c）为第三开口中的功能元件的示意图。
图5为图1的显示装置的俯视示意图。
图6为辅助显示模组的截面示意图。
图7为本申请一个实施方式的显示装置处于第二状态下的示意图。
图8为本申请一个实施方式的显示装置处于第三状态下的示意图。
 本发明的实施方式
下面将结合本申请实施方式中的附图，对本申请中的技术方案进行清楚、完整地描述。显然，所描述的实施方式仅仅是本申请一部分实施方式，而不是全部的实施方式。基于本申请中的实施方式，本领域技术人员在没有做出创造性劳动前提下所获得的所有其他实施方式，都属于本申请保护的范围。
本申请提供一种显示装置，其包括中框、主显示模组和功能元件。主显示模组设置于中框上。主显示模组包括主显示区和曲面显示区。曲面显示区连接于主显示区的四周。曲面显示区包括第一曲面显示区和第二曲面显示区。第一曲面显示区沿第一方向延伸。第二曲面显示区沿第二方向延伸。第一方向与第二方向相交。第一曲面显示区与第二曲面显示区的交界处开设有第一开口。功能元件设置于中框上。功能元件位于第一开口中。
本申请的显示装的通过在第一曲面显示区和第二曲面显示区的交界处开设第一开口，避免高斯曲面受到应力产生褶皱，同时利用第一开口设置功能元件，充分利用空间。并且，主显示模组和功能元件均设置于中框上，通过中框进行支撑。相较于现有技术将功能元件设置于边框上，能够起到缩窄边框的效果。
以下，结合附图说明本申请一实施方式提供的显示装置的结构。
本申请实施方式提供的显示装置100可以为手机、平板电脑、笔记本、游戏机、可穿戴设备等中的任一种。
请参考图1和图2，图1为本申请一实施方式提供的显示装置的立体示意图。图2为图1的显示装置的爆炸图。显示装置100包括中框10、主显示模组20以及功能元件30。主显示模组20以及功能元件30均设置于中框10上。
显示装置100通常包括前壳（未图示）、后盖（未图示）以及位于前壳和后盖之间的中框10。中框10上可以设置按键，或者开设扬声器孔等。
在本实施方式中，中框10的在俯视时的形状为圆角矩形。中框10包括底壁11和围绕底壁11设置的侧壁12。底壁11和侧壁12形成一容纳空间，用于容纳显示装置100的零部件。主显示模组20中框10的相邻两个侧壁12的交界处形成为圆角。在中框10的四个圆角处，相邻两个侧壁12之间各开设有一个挖槽10a。挖槽10a用于设置功能元件30。中框10可以采用金属材料制成。
主显示模组20覆盖在中框10上。主显示模组20可以覆盖中框10的一部分侧壁12。主显示模组20为柔性显示模组。主显示模组20可以为主动发光型显示模组，例如：有机发光二极管（Organic Light-emitting Diode，OLED）显示模组、主动矩阵有机发光二极管（Active Matrix Organic Light-emitting Diode，AMOLED）显示模组、被动矩阵有机发光二极管(Passive Matrix Organic Light-emitting Diode，PMOLED)显示模组、量子点有机发光二极管（Quantum Dot Light-emitting Diode，QLED）显示模组、微发光二极管（Micro Light-emitting Diode，Micro-LED）显示模组和次毫米发光二极管（Mini Light-emitting Diode，Mini-LED）显示模组中的一种。
主显示模组20包括主显示区21和曲面显示区22。主显示区21设置于中框10的底壁11上方。主显示模组20的曲面显示区22贴合于中框10的侧壁12，并连接于主显示区21与中框10之间。曲面显示区22连接于主显示区21的四周。曲面显示区22至少包括两个子曲面显示区。主显示模组20可以具有四个子曲面显示区，即主显示模组20可以为四曲面显示屏。主显示模组20也可以具有四个以上子曲面显示区。在本实施方式中，主显示区21可以为矩形。可以理解，在本申请其他实施方式中，主显示区21也可以为圆角矩形、三角形、圆形、多边形等。曲面显示区22包括第一曲面显示区221、第二曲面显示区222、第三曲面显示区223以及第四曲面显示区224。其中，第一曲面显示区221和第三曲面显示区223沿第一方向D1延伸。第二曲面显示区222和第四曲面显示区224沿第二方向D2延伸。第一方向D1与第二方向D2相交。具体地，在本实施方式中，第一方向D1与第二方向D2垂直。第三曲面显示区223与第一曲面显示区221相对设置。第四曲面显示区224与第二曲面显示区222相对设置。第二曲面显示区222和第四曲面显示区224分别连接于第一曲面显示区221与第三曲面显示区223之间。
本申请不限定第一曲面显示区221、第二曲面显示区222、第三曲面显示区223以及第四曲面显示区224的位置。在本实施方式中，第一曲面显示区221位于显示装置100的下侧，第三曲面显示区223位于显示装置100的上侧，第二曲面显示区222位于显示装置100的右侧，第四曲面显示区224位于显示装置100的左侧。
第一曲面显示区221、第二曲面显示区222、第三曲面显示区223以及第四曲面显示区224各自在从靠近主显示区21向远离主显示区21的方向上，沿与其延伸方向垂直的弯曲轴DB弯曲。举例而言，第二曲面显示区222从靠近主显示区21向远离主显示区21的方向上，沿与其延伸方向垂直的弯曲轴DB弯曲。
请参考图3，图3是图1的主显示模组的俯视示意图。第一曲面显示区221与第二曲面显示区222的交界处开设有第一开口201。第一曲面显示区221与第四曲面显示区224的交界处开设有第二开口202。第二曲面显示区222与第三曲面显示区223的交界处开设有第三开口203。第三曲面显示区223与第四曲面显示区224的交界处开设有第四开口204。每一开口对应于开设与中框10上的一个挖槽10a设置。当用一张柔性显示面板形成主显示区21、第一曲面显示区221以及第二曲面显示区222的情况下，柔性显示面板在第一曲面显示区221与第二曲面显示区222的交界处，朝向三个方向弯折，从而受到三个方向的弯折应力。在三个方向的弯折应力下，柔性显示面板的各膜层容易产生褶皱和气泡，影响显示效果。由此，在第一曲面显示区221与第二曲面显示区222的交界处开设第一开口201，防止此处形成褶皱，影响显示效果。本申请不限制开口的大小，只要第一开口201的范围覆盖受到三个方向的弯折应力的区域即可。在本实施方式中，第一开口201的范围正好覆盖受到三个方向的弯折应力的区域。在其他的实施方式中，第一开口201也可以覆盖更大或者更小的范围。例如，第一开口201的范围不仅覆盖部分受到三个方向的弯折应力的区域，还覆盖受到三个方向的弯折应力的区域旁边的区域。可以理解，在其他实施方式的显示装置100中，有可能存在三个以上的子曲面显示区的交界处，三个以上的子曲面显示区的交界处会受到三个以上方向的弯折应力。为了防止此处形成褶皱，也可以在三个以上的子曲面显示区的交界处形成开口。此外，第二开口202、第三开口203以及第四开口204的位置和大小与第一开口201类似，在此不再赘述。
请再次参考图2，功能元件30设置于中框10上。功能元件30可以通过焊接的方式固定在中框10上，也可以利用其他连接方式，例如卡扣可拆卸地安装在中框10上。并且，功能元件30位于第一开口201和与第一开口201对应的挖槽10a中。由此，充分利用空间。
在本实施方式中，第一开口201、第二开口202、第三开口203以及第四开口204中各设置有一功能元件30。请参考图4（a）至图4（c），图4（a）为第一开口中的功能元件的放大示意图；图4（b）为第二开口中的功能元件的示意图；图4（c）为第三开口中的功能元件的示意图。由于本实施方式中第四开口204中的功能元件30与第三开口203中的相同，再次省略其示意图。具体地，第一开口201中设置有音量控制按键。第二开口202中设置有摄像头。第三开口203和第四开口204中均设置有扬声器。两个扬声器分别位于显示装置100上方的左右两侧，能够获得较好的扩音效果。
在本申请的另一些实施方式中，只有一部分开口中设置有功能元件30。具体地，在一个实施方式中，第三开口203和第四开口204中设置有功能元件30。
功能元件30包括摄像头、按键、扬声器、传感器中的一种或多种。按键可以是音量键、开机键或者用于游戏的方向控制键等。传感器可以是指纹识别传感器、光线传感器或距离传感器等。
在一个实施方式中，功能元件30包括一功能部。功能元件30的功能部是指功能元件30用于与外界交互，接收或传递信号从而发挥功能的部件。例如，摄像头的采光部，按键的物理按键部，扬声器的扬声孔，传感器的信号采集部等。功能元件30的功能部用于接收或者采集外界的信号，因此，功能部在使用状态下是暴露给用户的。
请一并参考图2、图3和图5，其中，图5为图1的显示装置的俯视示意图。在本实施方式中，显示装置100还包括辅助显示模组40。辅助显示模组40设置于中框10上。辅助显示模组40可以固定于中框10上，也可以可拆卸地设置于中框10上。主显示模组20与辅助显示模组40相配合组成一个完整的四曲面显示屏。主显示模组20与辅助显示模组40相配合组成显示装置100的显示屏。在另一个实施方式中，主显示模组20与辅助显示模组40拼接在一起。主显示模组20与辅助显示模组40通过连接件相连。主显示模组20与辅助显示模组40可以连接至不同的驱动芯片，由不同的驱动芯片驱动，也可以连接至相同的驱动芯片，由同一驱动芯片统一驱动。
具体地，辅助显示模组40设置于第一开口201、第二开口202、第三开口203和第四开口204的至少一个中。在本实施方式中，第一开口201、第二开口202、第三开口203和第四开口204中均设置有辅助显示模组40。
可以理解，在一些实施方式中，曲面显示区22包括四个以上的子曲面显示区。在这些实施方式中，相邻的两个子曲面显示区之间均设置有开口。多个开口的至少一个中设置有辅助显示模组40。
在本实施方式中，通过在相邻两个子曲面显示区的交界处开设开口，并设置辅助显示模组40，能够提高显示装置100的屏占比，实现真正的全面屏显示。
辅助显示模组40可以与主显示模组20相互独立，分别进行显示。在一种实施方式中，主显示模组20显示可以用于显示用户界面或者图像。而辅助显示模组40独立显示天气、时间、电量等信息。在主显示模组20打开，显示用户界面或者图像的情况下，辅助显示模组40显示天气、时间、电量等信息。在主显示模组20关闭的情况下，辅助显示模组40仍然显示天气、时间、电量等信息。
辅助显示模组40也可以与主显示模组20共同显示画面。在另一种实施方式中，在主显示模组20打开，显示用户界面或者图像的情况下，辅助显示模组40与主显示模组20共同显示完整画面。在主显示模组20关闭的情况下，辅助显示模组40也关闭。当显示装置100接收到辅助显示模组40的唤醒命令的情况下，辅助显示模组40独立显示天气、时间等信息。
在一个实施方式中，辅助显示模组40可拆卸地安装于第一开口201中。通过将辅助显示模组40设置为可拆卸，当辅助显示模组40出现故障时，便于进行更换。辅助显示模组40与中框10之间可以通过卡扣、扣合、磁铁或螺丝的方式相互固定。在一个实施方式中，显示装置100的中框10上可以设置安装槽。安装槽围绕第一开口201设置。可拆卸的辅助显示模组40上设置有用于与安装槽相卡接的安装块。
在一个实施方式中，辅助显示模组40可翻开地安装于第一开口201中。通过将辅助显示模组40设置为可翻开，可以在辅助显示模组40下方隐藏设置其他元件。辅助显示模组40与中框10之间可以通过卡扣、扣合、磁铁或螺丝的方式相互固定。在一个实施方式中，可翻开的辅助显示模组40的一端与中框10固定连接，另一端可拆卸连接。
辅助显示模组40可以为刚性显示模组。即，辅助显示模组40具有预设的固定形状，不能进行弯折或折叠。辅助显示模组40可以为主动发光型显示模组，例如：有机发光二极管显示模组、主动矩阵有机发光二极管显示模组、被动矩阵有机发光二极管显示模组、量子点有机发光二极管显示模组、微发光二极管显示模组和次毫米发光二极管显示模组中的一种。
请参考图6，图6为辅助显示模组的截面示意图。辅助显示模组40包括衬底41、驱动电路层42以及发光层43。衬底41包括曲面CS。驱动电路层42设置于曲面CS上。发光层43电连接于驱动电路层42远离衬底41的一侧。驱动电路层42和发光层43具有与曲面CS相匹配的弯曲表面。
具体地，衬底41的材料可以为玻璃或者塑料。在一种实施方式中，通过玻璃热弯及抛光等加工工艺形成曲面玻璃。在另一种实施方式中，通过注塑成形成具有曲面塑料。对于衬底41的其他表面的形状不作限定，其可以为曲面也可以为平面。
驱动电路层42包括发光元件的驱动电路。驱动电路包括薄膜晶体管。具体地，在本实施方式中，薄膜晶体管为底栅型薄膜晶体管。薄膜晶体管包括依次层叠设置的栅极GE、栅极绝缘层GI、有源层CL、源极SE以及漏极DE。具体地，栅极GE设置于曲面上。栅极绝缘层GI覆盖栅极GE以及衬底41。有源层CL位于栅极绝缘层GI远离衬底41的一面。有源层CL对应于栅极GE设置。源极SE和漏极DE位于有源层CL远离栅极GE的一面，并分别与有源层CL的两端连接。驱动电路层42通过在曲面上利用曝光、显影以及刻蚀形成驱动电路形成。
发光层43包括发光元件。发光元件为发光二极管芯片、微发光二极管芯片、亚毫米发光二极管和有机发光二极管器件中的一种。在本实施方式中，发光元件为微发光二极管芯片。发光层43利用巨量转移技术将发光元件绑定至驱动电路层42上而形成。
此外，辅助显示模组40还包括封装层44和曲面盖板45。封装层44封装发光层43。曲面盖板45覆盖于封装层44远离衬底41的一面上。
由于衬底41具有曲面，在曲面上形成驱动电路层42以及发光层43时，驱动电路层42以及发光层43根据曲面的形状，形成与曲面相匹配的曲面形状，在将辅助显示模组40与主显示模组20和中框10组装成显示装置100时，不需要进行弯折，从而避免了褶皱的产生。
请再次参考图4（a）至图4（c），在本实施方式中，辅助显示模组40中开设有通孔40a。通孔40a用于暴露功能元件30的功能部。通过在辅助显示模组40中开设通孔40a来暴露功能元件30的功能部，在不影响显示效果的同时，还能实现显示装置100四角处的空间利用。本申请中的通孔40a的大小可以根据显示需求设置，以使在正视屏幕时，呈现在用户视野中的屏幕为完整的全面屏，功能元件30被辅助显示模组40覆盖或遮挡。
在一个实施方式中，辅助显示模组40可拆卸或可翻开地安装于第一开口201中。辅助显示模组40覆盖功能元件30。辅助显示模组40可以用于保护功能元件30，并且在功能元件30发生故障时，便于进行维修。显示装置100具有第一状态和第二状态。第一状态下，辅助显示模组40可以进行显示也可以不进行显示，功能元件30被辅助显示模组40遮蔽。第二状态下，辅助显示模组40可以进行显示也可以不进行显示，功能元件30从辅助显示模组40下方暴露出来。请参考图5，当显示装置100处于第一状态下时，功能元件30位于第一开口201内，辅助显示模组40覆盖功能元件30。请参考图7，图7为本申请一个实施方式的显示装置处于第二状态下的示意图。当显示装置100处于第二状态下时，辅助显示模组40处于翻开状态时，功能元件30从第一开口201暴露出来。
在另一个实施方式中，功能元件30可收缩地设置于第一开口201内。而辅助显示模组40可拆卸或者可翻开地覆盖功能元件30。请参考图5，当显示装置100处于第一状态下时，功能元件30位于第一开口201内，辅助显示模组40覆盖功能元件30。显示装置100还具有第三状态。第三状态下，功能元件30可以从第一开口201内伸出，执行其功能。请参考图8，图8为本申请一个实施方式的显示装置处于第三状态下的示意图。当显示装置100处于第三状态下时，辅助显示模组40处于翻开状态时，功能元件30从第一开口201内伸出。例如，当功能元件30为摄像头时，在第三状态下，摄像头可以从第一开口201内伸出进行拍摄。
此外，在本实施方式中，第一开口201、第二开口202、第三开口203以及第四开口204中各设置有一辅助显示模组40。每一辅助显示模组40下面均设置有一功能元件30。
在本申请的另一些实施方式中，一部分开口中设置有辅助显示模组40，另一部分开口中设置有功能元件30。具体地，在一个实施方式中，第一开口201与第二开口202中设置有辅助显示模组40，第三开口203和第四开口204中设置有功能元件30。第一开口201与第二开口202中的辅助显示模组40相对地设置在显示装置100的左右两侧，第三开口203与第四开口204中的功能元件30也相对地设置在显示装置100的左右两侧，对称设计更便于用户操作。
在本申请的又一些实施方式中，第一开口201、第二开口202、第三开口203以及第四开口204中各设置有一功能元件30。功能元件30上方不覆盖辅助显示模组40。
本申请提供一种显示装置。显示装置包括中框；主显示模组，设置于所述中框上，所述主显示模组包括主显示区和曲面显示区，所述曲面显示区连接于所述主显示区的四周，所述曲面显示区包括第一曲面显示区和第二曲面显示区，所述第一曲面显示区沿第一方向延伸，所述第二曲面显示区沿第二方向延伸，所述第一方向与所述第二方向相交，所述第一曲面显示区与所述第二曲面显示区的交界处开设有第一开口；以及功能元件，设置于所述中框上，且所述功能元件位于所述第一开口中。本申请的显示装置的通过在第一曲面显示区和第二曲面显示区的交界处开设第一开口，避免高斯曲面受到应力产生褶皱，同时利用第一开口设置功能元件，充分利用空间。
以上对本申请实施方式提供了详细介绍，本文中应用了具体个例对本申请的原理及实施方式进行了阐述，以上实施方式的说明只是用于帮助理解本申请。同时，对于本领域的技术人员，依据本申请的思想，在具体实施方式及应用范围上均会有改变之处，综上所述，本说明书内容不应理解为对本申请的限制。

Claims (18)

  1. 一种显示装置，包括：
    中框；
    主显示模组，设置于所述中框上，所述主显示模组包括主显示区和曲面显示区，所述曲面显示区连接于所述主显示区的四周，所述曲面显示区包括第一曲面显示区和第二曲面显示区，所述第一曲面显示区沿第一方向延伸，所述第二曲面显示区沿第二方向延伸，所述第一方向与所述第二方向相交，所述第一曲面显示区与所述第二曲面显示区的交界处开设有第一开口；以及
    功能元件，设置于所述中框上，且所述功能元件位于所述第一开口中。
  2. 如权利要求1所述的显示装置，其中，所述功能元件包括摄像头、按键、扬声器、传感器中的一种。
  3. 如权利要求1所述的显示装置，其中，所述显示装置还包括辅助显示模组，所述辅助显示模组设置在所述第一开口中，且设置在所述中框上，所述辅助显示模组覆盖所述功能元件。
  4. 如权利要求3所述的显示装置，其中，所述辅助显示模组中开设有通孔，所述功能元件包括功能部，所述通孔用于暴露所述功能部。
  5. 如权利要求3所述的显示装置，其中，所述辅助显示模组可拆卸或者可翻开地安装于所述第一开口中。
  6. 如权利要求3所述的显示装置，其中，所述功能元件可收缩地设置于所述第一开口内，所述辅助显示模组可拆卸或者可翻开地覆盖所述功能元件，当所述显示装置处于第一状态下时，所述辅助显示模组覆盖所述功能元件，所述功能元件位于所述第一开口内，当所述显示装置处于第二状态下时，所述辅助显示模组远离所述功能元件，所述功能元件从所述第一开口内伸出。
  7. 如权利要求1所述的显示装置，其中，所述曲面显示区还包括第三曲面显示区和第四曲面显示区，所述第三曲面显示区与所述第一曲面显示区相对设置，所述第四曲面显示区与所述第二曲面显示区相对设置，所述第二曲面显示区和所述第四曲面显示区分别连接于所述第一曲面显示区与所述第三曲面显示区之间，所述第一曲面显示区与所述第四曲面显示区的交界处开设有第二开口，所述第二曲面显示区与所述第三曲面显示区的交界处开设有第三开口，所述第三曲面显示区与所述第四曲面显示区的交界处开设有第四开口，所述第二开口、所述第三开口和所述第四开口的至少一个中设置有所述功能元件。
  8. 如权利要求7所述的显示装置，其中，所述第一开口与所述第二开口中均设置有辅助显示模组，所述第三开口和所述第四开口中均设置有所述功能元件。
  9. 如权利要求8所述的显示装置，其中，所述第一开口中设置有音量控制按键，所述第二开口中设置有摄像头，所述第三开口和所述第四开口中均设置有扬声器。
  10. 如权利要求3所述的显示装置，其中，所述辅助显示模组包括衬底、驱动电路层以及发光层，所述衬底包括曲面，所述驱动电路层设置于所述曲面上，所述发光层电连接于所述驱动电路层远离所述衬底的一侧。
  11. 如权利要求10所述的显示装置，其中，所述驱动电路层和所述发光层具有与所述曲面相匹配的弯曲表面。
  12. 如权利要求10所述的显示装置，其中，所述发光层为发光二极管芯片、微发光二极管芯片、亚毫米发光二极管和有机发光二极管器件中的一种。
  13. 如权利要求10所述的显示装置，其中，所述辅助显示模组还包括封装层和曲面盖板，所述封装层封装所述发光层，所述曲面盖板覆盖于所述封装层远离衬底的一面上。
  14. 如权利要求1所述的显示装置，其中，所述第一开口的范围覆盖所述第一曲面区与所述第二曲面显示区之间受到三个方向的弯折应力的区域。
  15. 如权利要求1所述的显示装置，其中，所述中框包括底壁和围绕所述底壁设置的侧壁，所述中框的相邻两个侧壁的交界处形成为圆角。
  16. 如权利要求15所述的显示装置，其中，所述中框的相邻两个所述侧壁之间开设有挖槽，所述挖槽与所述第一开口对应，所述功能元件位于所述第一开口和与所述第一开口对应的挖槽中。
  17. 如权利要求3所述的显示装置，其中，所述辅助显示模组为刚性显示模组。
  18. 如权利要求3所述的显示装置，其中，所述主显示模组为柔性显示模组。
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