WO2021142772A1 - Display device and vehicle - Google Patents
Display device and vehicle Download PDFInfo
- Publication number
- WO2021142772A1 WO2021142772A1 PCT/CN2020/072740 CN2020072740W WO2021142772A1 WO 2021142772 A1 WO2021142772 A1 WO 2021142772A1 CN 2020072740 W CN2020072740 W CN 2020072740W WO 2021142772 A1 WO2021142772 A1 WO 2021142772A1
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- WO
- WIPO (PCT)
- Prior art keywords
- display device
- connection
- connection surface
- display
- housing
- Prior art date
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Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K35/00—Instruments specially adapted for vehicles; Arrangement of instruments in or on vehicles
- B60K35/50—Instruments characterised by their means of attachment to or integration in the vehicle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R11/00—Arrangements for holding or mounting articles, not otherwise provided for
- B60R11/02—Arrangements for holding or mounting articles, not otherwise provided for for radio sets, television sets, telephones, or the like; Arrangement of controls thereof
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
Definitions
- the embodiment of the present disclosure relates to a display device and a vehicle.
- the embodiment of the present disclosure provides a display device and a vehicle.
- the display device includes a housing and a display device at least partially located in the housing.
- the housing includes a first connection surface and a second connection surface.
- the display device is connected to the first connection surface and the second connection surface respectively.
- the connection surface is connected, wherein at least one of the display device and the first connection surface and between the display device and the second connection surface is connected by curing glue.
- At least one of the connection between the display device and the first connection surface and the second connection surface of the display device is connected by curing glue, which can prevent the display device from generating stress concentration at the connection, thereby avoiding the phenomenon of uneven picture display.
- the display device includes a cover plate and a display assembly that are connected to each other, the cover plate is connected to the first connection surface, and the display assembly is connected to the second connection surface.
- the housing includes a groove and an extension part extending outwardly from a side wall of the groove, the groove is configured to accommodate at least part of the display device, and the extension part is connected to the
- the side walls of the groove are connected to the edges away from the bottom surface of the groove, and in a direction perpendicular to the bottom surface of the groove, the surface of the extension portion away from the bottom surface of the groove is the first connecting surface ,
- the bottom surface of the groove is the second connecting surface.
- first connection surface and the second connection surface are substantially parallel.
- the curing glue is used to connect the display component and the second connecting surface.
- the display component and the second connection surface are separated from each other, and the fixing glue is disposed in the gap between the display component and the second connection surface, so that the display component and the second connection surface are separated from each other.
- the component is connected to the second connecting surface.
- a side of the display assembly facing the second connecting surface is provided with a connecting portion protruding toward the second connecting surface, and the housing where the second connecting surface is located is provided There is a blind hole, the opening of the blind hole faces the display assembly, the curing glue is arranged in the blind hole, and the connecting part at least partially extends into the curing glue in the blind hole so that the The display component is connected with the second connection surface.
- the aperture of the blind hole is larger than the maximum dimension of the cross section of the part of the connecting portion that extends into the blind hole, which is taken along a plane parallel to the second connecting surface.
- the connecting portion does not directly contact the side wall and bottom surface of the blind hole, and there is a gap filling the curing glue between the connecting portion and the side wall and bottom surface of the blind hole.
- the display assembly is at least partially located in the groove, and in a direction parallel to the first connection surface or the second connection surface, the cover plate extends to the bottom of the display assembly.
- the outer side of the edge is connected to the first connecting surface.
- the portion of the cover plate protruding to the outside of the edge of the display assembly is connected to the first connecting surface by the curing glue.
- the portion of the cover plate that protrudes to the outside of the edge of the display assembly is connected to the first connecting surface by a double-sided tape.
- the first connection surface is substantially parallel to the cover plate.
- the display assembly includes a display panel, a backlight, and a backplane that are sequentially stacked in a direction from the cover plate to the second connection surface, and the connection part is provided on the backplane facing the On the surface of the second connection surface.
- an end of the connecting portion close to the blind hole includes a central hole, and at least a part of the surface of the central hole is in contact with the curing glue.
- cover plate and the first connection surface are connected by the curing glue, and the display assembly and the second connection surface are connected by screws or contact.
- the cured glue includes an optically clear glue.
- the cover plate and the display assembly are bonded by optically transparent glue.
- An embodiment of the present disclosure provides a vehicle, including the display device provided according to any one of the above items, and an instrument panel located inside the vehicle, and the display device is installed on the instrument panel.
- the housing of the display device includes a first connection hole
- the meter panel includes a second connection hole corresponding to the first connection hole
- the display device passes through the first connection hole and The second connection hole is connected to the meter panel.
- Figure 1A is a schematic diagram of a cross-sectional structure of an automotive electronic instrument panel
- Fig. 1B is an enlarged schematic diagram of the stud and screw in Fig. 1A;
- Figure 1C is a schematic cross-sectional structure diagram of another automotive electronic instrument panel
- FIG. 2 is a schematic diagram of a cross-sectional structure of a display device according to an embodiment of the present disclosure
- FIG. 3A is a schematic structural diagram of a display assembly and its connection part according to an embodiment of the present disclosure
- 3B is a schematic diagram of the projection structure of the display assembly and its connecting portion shown in FIG. 3A along the E direction;
- FIG. 4 is a schematic diagram of an enlarged structure at D in FIG. 2;
- FIG. 5 is a schematic diagram of a planar structure of a display device according to an embodiment of the present disclosure.
- FIG. 6 is a schematic cross-sectional structure diagram of another display device according to an embodiment of the present disclosure.
- Fig. 7 is a schematic diagram of a connection structure between a display device and a meter panel according to an embodiment of the present disclosure.
- connection points are usually used for connection between the display device and the housing to prevent the display device from hanging in a large area.
- the fit error between the display device and the housing will also be large.
- multiple connection points are fixed, some of the connection points are prone to large stress concentration.
- the display device plays a role in stress concentration. There will be a phenomenon of uneven display (Mura) on the screen.
- Fig. 1A is a schematic diagram of a cross-sectional structure of an automobile electronic instrument panel.
- the automobile electronic instrument panel includes a housing 100 and a display device 200 (in a dashed frame in the figure) located in the housing 100.
- the housing 100 is configured to accommodate and support the display device 200.
- the display device 200 is connected to the housing 100 on the A side and the B side, for example, the A side and the B side may be designed to be substantially parallel to each other.
- the display device 200 is adhered to the housing 100 on side A through a double-sided tape 301, and the display device 200 is connected to the housing 100 on side B through a connecting portion 201.
- the connecting portion 201 is a stud, and the stud is connected to the housing 100 through a screw 302. B-side connection.
- the stud 201 is opposite due to the parallelism error or height error between the A side and the B side or the flatness error of the B side itself.
- the size deviation is proportional to the size of the basic size. Since the display device 200 and the housing 100 are both larger in size, the height deviation between the stud 201 and the B surface will also be larger.
- the commonly used double-sided tapes are less compressible, and it is not easy to adjust the height error between the connecting portion and the second connecting surface by adjusting the thickness of the double-sided tape.
- Fig. 1B is an enlarged schematic view of the stud and screw in Fig. 1A.
- the bottom plate of the housing 100 is provided with a through hole 101, and a part of the stud 201 is inserted into the through hole 101.
- the height of the end surface of the stud 201 relative to the surface B is H. At this time, the screw 302 does not generate tension and compression stress on the stud 201.
- the length of the stud 201 inserted into the through hole 101 is less than the design length, that is, the height of the end surface of the stud 201 relative to the surface B is less than H, and the screw
- the screw 302 will generate a tensile force on the stud 201, thereby causing the display device to generate tensile stress at the stud.
- the tensile stress may cause the display device 200 to produce a phenomenon of uneven display (Mura).
- Fig. 1C is a schematic cross-sectional structure diagram of another automobile electronic instrument panel.
- the connecting portion 201 of the display device 200 is a boss 201, and the boss 201 is in contact with the housing 100 on the B surface.
- the relative position of the boss 201 and the B surface also has a deviation.
- the distance between the boss 201 and the surface B may be greater than the designed size, and the boss 201 cannot contact the surface B, and the surface B cannot support the display device 200 at this time.
- the boss 201 and the surface B may squeeze each other due to positional interference, and the boss 201 will generate compressive stress on the display device 200. Compressive stress may cause uneven display of the display device 200.
- the embodiments of the present disclosure provide a display device and a vehicle.
- the display device includes a housing and a display device at least partially located in the housing.
- the display device and the housing are respectively connected at two places, and at least one of the two connection places is connected by curing glue.
- the use of curing glue to connect can increase the allowable error range between the connected parts and avoid stress concentration at the connection.
- At least one of the two joints between the display device and the housing is connected by curing glue, which can prevent the display device from generating stress concentration at the joint, thereby avoiding the phenomenon of uneven display of the picture.
- FIG. 2 is a schematic structural diagram of the display device.
- the display device includes a housing 100 and a display device 200 at least partially located in the housing 100.
- the housing 100 includes a first connection surface A and a second connection surface B.
- the display device 200 is connected to the first connection surface A and the second connection surface B, respectively. At least one of the connection between the display device 200 and the first connection surface A and the connection between the display device 200 and the second connection surface B is connected by curing glue.
- the display device 200 includes a cover 210 and a display assembly 220 (in the dashed box in the figure) that are connected to each other.
- the cover 210 is connected to the first connection surface A
- the display assembly 220 is connected to the second connection surface B.
- At least one of the connection between the cover 210 and the first connection surface A and the connection between the display assembly 220 and the second connection surface B is connected by curing glue.
- connection between the display device and the first connection surface is not limited to the connection between the cover plate and the first connection surface
- connection between the display device and the second connection surface is not limited to the connection between the display assembly and the first connection surface.
- the connection between the two connecting surfaces may include a ring-shaped outer frame that surrounds the edge of the display panel for fixing the display panel.
- the outer frame includes a connecting surface that is in contact with the first connecting surface, and the display device can be connected to the first connecting surface of the housing through the connecting surface of the outer frame; or the display device may also include other components for the first connection with the housing ⁇ Surface connection.
- curing glue to connect can increase the allowable error range between the connected parts and avoid stress concentration at the connection.
- At least one of the connection between the cover plate and the first connection surface and the connection between the second connection surface of the display assembly is connected by curing glue, which can prevent the display device from generating stress concentration at the connection, thereby avoiding uneven display of the picture Phenomenon.
- the step of connecting the display device and the housing includes: injecting liquid curing glue by dripping or other methods at the connection where the curing glue is needed; putting the display device into the housing, and determining the relative relationship between the display device and the housing. Position: Place the display device and the housing in the environment required for curing to complete the curing of the curing glue.
- the cured glue refers to a glue that can be transformed from a liquid state to a solid state with a certain mechanical strength under certain conditions.
- the curing glue may be Optical Clear Resin (OCR).
- OCR Optical Clear Resin
- the curing process of OCR glue includes pre-curing at 60°C for 2-3 hours and final curing at room temperature for 24 hours.
- the cured adhesive may also be Liquid Optical Clear Adhesive (LOCA) or other adhesives with similar functions.
- LOCA Liquid Optical Clear Adhesive
- the housing 100 includes a bottom plate 110, a side wall 120, an extension part 130 and an outer edge part 140.
- the thickness of the bottom plate 110, the side wall 120, the extension portion 130, and the outer edge portion 140 may be the same, but is not limited thereto.
- the bottom plate 110 is substantially in the shape of a flat plate.
- the side wall 120 is an annular plate extending from the edge of the bottom plate 110 to the same side of the bottom plate 110 in a direction substantially perpendicular to the bottom plate 110.
- the extension portion 130 is an annular plate extending from the edge of the side wall 120 away from the bottom plate 110 to the outside, and the extending direction thereof is substantially parallel to the extending direction of the bottom plate 110.
- Extending to the outside here refers to extending in a direction away from the internal space formed by the side wall 120.
- the outer edge portion 140 is also a ring-shaped plate, and extends from an edge of the extension portion 130 away from the side wall 120 in a direction substantially perpendicular to the extension portion 130 to a direction away from the bottom plate 110.
- the bottom plate 110 and the annular side wall 120 enclose a groove 150.
- the groove 150 is configured to accommodate all or part of the display device 200.
- the surface of the extension 130 away from the bottom plate 110 is the first connection surface A, and the surface of the bottom plate 110 that is close to the groove 150 is the second connection surface B.
- the surface of the bottom plate 110 close to the groove 150 may also be referred to as the bottom surface of the groove 150, that is, the bottom surface of the groove 150 is the second connecting surface B described above.
- the first connection surface A and the second connection surface B are substantially parallel.
- the structure of the housing 100 described above is only an example, and the housing 100 may also have other structures.
- the thickness of the bottom plate 110, the side wall 120, the extension portion 130, and the outer edge portion 140 may be different.
- the bottom plate 110 may also be a curved plate.
- the side wall 120 may not be perpendicular to the bottom plate 110.
- the extension 130 may also be a curved panel.
- the extension 130 and the bottom plate 110 may not be parallel.
- the outer edge portion 140 may not be perpendicular to the extension portion 130.
- the housing 100 may not include the outer edge portion 140.
- the bottom plate 110, the side wall 120 and the extension 130 may realize the connection between the housing 100 and the display device 200.
- the bottom plate 110, the side wall 120, the extension portion 130, and the outer edge portion 140 may be formed integrally or spliced together. The present disclosure does not limit the specific structure of the housing.
- the housing 100 is used to support the display device 200, and its material may be a metal material, an organic material, or a composite material with a certain mechanical strength.
- the cover plate 210 is, for example, a flat plate, and the cover plate 210 is approximately parallel to the first connection surface A. In a direction parallel to the first connection surface or the second connection surface, the cover plate extends to the display assembly. The outer side of the edge to connect with the first connecting surface.
- the area of the cover plate is larger than the area of the orthographic projection of the display assembly 220 on the cover plate 210, and the orthographic projection of the display assembly 220 on the cover plate 210 falls within the range of the cover plate 210. Therefore, the cover plate 210 includes The overlapping part of the display assembly and the annular part protruding to the outside of the edge of the display assembly.
- the cover 210 may also be a curved panel. At this time, the cover still includes a part that overlaps the display assembly and an annular part that protrudes outside the edge of the display assembly.
- the display device 200 is located in the housing 100. At least a part of the display assembly 220 is located in the groove 110. In a direction parallel to the first connection surface A or the second connection surface B, the cover plate 210 is located inside the outer edge portion 140. The annular part of the cover plate 210 protruding to the outside of the edge of the display assembly 220 at least partially overlaps the first connection surface A, and is connected to the first connection surface A at the overlap point. For example, as shown in FIG. 2, the cover plate 210 and the first connecting surface A are adhered by a double-sided tape 301 at the overlap.
- the display assembly 220 further includes a connecting portion 201 for connecting with the housing 100, for example, connecting with the second connecting surface B.
- the connecting portion 201 is located on a side of the display assembly 220 facing the second connecting surface B and protrudes toward the second connecting surface B.
- Blind holes 111 are opened on the bottom plate 110 of the housing where the second connecting surface B is located, corresponding to the connecting portion 201 one by one, and the opening of the blind hole 111 faces the connecting portion 201.
- Curing glue is arranged in the blind hole 111, and at least a part of the connecting portion 201 extends into the curing glue in the blind hole 111 to realize the connection between the display assembly 220 and the second connecting surface B.
- one end of the connecting portion 201 close to the blind hole 111 includes a central hole 202.
- a part of the cured glue can enter the central hole 202 and contact at least part of the surface of the central hole 202. In this way, the contact area between the connecting portion and the cured adhesive can be increased, and the bonding strength can be increased.
- the connecting part shown in FIG. 2 includes a central hole
- the connecting part may also be a solid part, excluding the central hole.
- FIG. 2 shows that the number of connecting parts 201 is two, the number of connecting parts 201 may be one or more than three.
- 3A is a schematic side view of the structure of the display assembly and its connecting portion according to an embodiment of the present disclosure
- FIG. 3B is the display assembly and its connecting portion shown in FIG. 3A along the E direction (approximately perpendicular to the display surface of the display assembly) ) Is a schematic diagram of the projection structure.
- the number of connecting parts 201 is three, and the three connecting parts 201 are distributed in a triangular shape on the bottom surface of the display assembly 220.
- the number of blind holes 111 is also three, and the distribution of the blind holes 111 on the bottom plate 110 is the same as the distribution of the connecting portion 201 on the bottom surface of the display assembly 220. It should be noted that the triangular distribution of the connecting parts shown in FIG. 3B on the display assembly is only an example, and the connecting parts may also be distributed along a straight line or in any other suitable manner.
- FIG. 4 is a schematic diagram of a structure at D (the connection between the connecting portion and the second connecting surface) in FIG. 2.
- the connecting portion 201 is cylindrical, and the hole diameter of the blind hole 111 is larger than the cylindrical diameter of the connecting portion 201. This arrangement facilitates the insertion of the connecting portion into the blind hole.
- the connecting portion 201 may also have other shapes, and the aperture of the blind hole 111 is larger than the maximum size of the cross section of the part of the connecting portion 201 that extends into the blind hole, which is taken along a plane parallel to the second connecting surface B.
- the connecting portion 201 is not in direct contact with the sidewall and bottom surface of the blind hole 111, and there is a gap filled with curing glue between the connecting portion and the sidewall and bottom surface of the blind hole.
- This arrangement can ensure the connection The part will not generate internal stress due to the interaction force between the side wall or bottom surface of the groove, so as to avoid the phenomenon of uneven display of the picture.
- the gap between the side wall and bottom surface of the connecting part and the blind hole determines the allowable fit error between the connecting part and the blind hole.
- the steps of connecting the display device 200 and the housing 100 include: injecting liquid curing glue into the blind hole 111 by means of dripping or the like; Stick a double-sided tape on the ring part protruding to the outside of the edge of the display assembly 220, put the display device 200 into the housing 100, and make the cover plate and the first connecting surface adhere firmly to confirm the display device and the housing At this time, at least a part of the connecting part extends into the curing glue in the blind hole; the display device and the casing are placed in the environment required for curing of the curing glue to complete the curing of the curing glue.
- the cover 210 and the first connection surface A are connected by double-sided tape, and the display assembly 220 and the second connection surface B are connected by curing adhesive. connect.
- the two connections between the display device and the housing can also adopt other combined connection methods.
- the display assembly 220 and the second connection surface B are connected by curing glue, and the cover 210 and the first connection surface A are also connected by curing glue.
- the connection between the display device and the first connection surface and the second connection surface allows a relatively large fit error, which is beneficial to avoid stress concentration at the connection.
- the cover 210 and the first connection surface A are bonded by curing glue, and the display assembly 220 and the second connection surface B are connected by screws.
- the connecting portion 201 is a stud 201
- the stud 201 includes an internal thread
- the bottom plate 110 of the housing includes a through hole
- the screw passes through the through hole and is connected to the connecting portion by a thread.
- the cover 210 and the first connecting surface A are bonded by curing glue, and the display assembly 220 and the second connecting surface B are connected by contact.
- the connecting portion 201 is a boss 201 facing the bottom plate 110.
- the boss 201 supports the display assembly 220 by contacting the bottom plate 110. In this way, the distance between the boss 201 and the B surface can be adjusted by adjusting the usage amount of the curing glue of the cover plate and the first connection surface, so as to achieve the purpose of avoiding stress concentration at the connection.
- At least one of the two connections between the cover 210 and the first connection surface A and between the display assembly 220 and the second connection surface B needs to be connected by curing glue. In this way, it is possible to prevent the display device from generating stress concentration at the connection, thereby avoiding the phenomenon of uneven display of the picture.
- connection steps are similar to the steps of connecting the display device and the casing shown in FIG. 2, and will not be described in detail here.
- the material of the cover plate 210 may be a glass material or a transparent organic material.
- the cover 210 and the display assembly 220 are bonded together by optical glue 230.
- the optical glue 230 may also be an OCR glue.
- the display component 220 is a liquid crystal display component.
- the display assembly 220 includes a liquid crystal display panel 221 and a backlight 222 that are sequentially stacked in a direction from the cover 210 to the second connection surface B.
- the display assembly 220 further includes a middle frame 223 for supporting the display panel 221 and a back plate 224 for accommodating the backlight source 222.
- the liquid crystal display panel 221 and the cover plate 210 are bonded by optical glue 230, and the backlight source 222 is located on the side of the liquid crystal display panel 221 away from the cover plate 210.
- the back plate 224 has an annular groove structure, and the backlight 222 is located in the annular groove of the back plate 222.
- the bottom plate of the back plate 224 is located on the side of the backlight source 222 away from the liquid crystal display panel 221.
- one end of the connecting portion 201 is fixedly connected to the back plate 224, and the other end protrudes toward the second connecting surface B.
- the backlight source 222 includes a light guide plate 2221 and an optical film 2222 that are stacked, and the optical film 2222 is located on a side of the light guide plate 2221 close to the display panel 221.
- the light guide plate 2221 and the optical film 2222 are both engaged with the middle frame 223 in a clamping position.
- the optical film 2222 includes films such as a diffusion film, a brightness enhancement film, and a polarization-type brightness enhancement film.
- the display device 200 is a liquid crystal display.
- the display device 200 may also be an organic light emitting diode (OLED) display device or a quantum dot light emitting diode (QLED) display device, etc.
- OLED organic light emitting diode
- QLED quantum dot light emitting diode
- the corresponding display assembly 220 includes an OLED display panel or a QLED display panel, and does not need to include a backlight source.
- the embodiment of the present disclosure does not limit the specific type of the display device.
- the double-sided tape 301 may be a double-sided foam tape, which has the advantage of high bonding strength.
- FIG. 5 is a schematic diagram of the projection structure of the display device shown in FIG. 2 along the direction C in the figure.
- the C direction is a direction perpendicular to the cover plate 210.
- the planar shape of the display device 200 viewed in the C direction is a rectangle with rounded corners.
- the shape of the display device may also be other shapes, such as a circle or an irregular plane figure formed by splicing and surrounding a plurality of lines.
- the planar shape of the housing is similar to that of the display device.
- the present disclosure does not limit the planar shape of the display device and the housing.
- the outer edge portion 140 of the housing 100 is shown in FIG. 5.
- the casing may not include the outer edge portion.
- the projection views of the display device and the casing along the C direction may basically overlap, and the description of the drawings is not provided in the present disclosure.
- FIG. 6 is a schematic cross-sectional structure diagram of another display device according to an embodiment of the present disclosure.
- the difference between the structure of FIG. 6 and the structure of FIG. 2 lies in the connection structure between the display assembly 220 and the second connection surface of the bottom plate.
- the structure of FIG. 2 can be referred to. Therefore, the repeated parts will not be repeated.
- the display assembly 220 is directly connected to the bottom plate 110 close to the bottom of the bottom plate 110.
- the bottom plate 110 is provided with a groove 112 (as shown by the dashed frame in the figure), and the opening area of the groove 112 is larger than the area of the bottom surface of the display assembly.
- the groove 112 contains curing glue, and at least a part of the display assembly 220 close to the bottom of the bottom plate 110 is immersed in the curing glue to connect with the bottom plate 110.
- the blind holes in the bottom plate 110 may not be provided.
- the fixing glue may be provided on the surface of the bottom plate 110 facing the display assembly.
- the display assembly and the bottom plate are connected by fixing glue, in order to avoid the stress caused by the mechanical interference between the display assembly and the housing, the display assembly and the bottom plate are not in direct contact, that is, A gap is provided between the display component and the bottom plate, and the fixing glue can be set in the gap, so as to connect and fix the display component and the bottom plate to each other.
- the display device may include a curved display screen, and at least one of the two connections between the display device and the housing is connected by curing glue to prevent stress concentration at the connection. Function, so as to avoid the phenomenon of uneven display of the screen.
- the display device provided by the embodiment of the present disclosure may be used in an automobile electronic instrument panel or an automobile central controller. Or it can be used for display devices that integrate automotive electronic dashboards and central controllers. It can also be used in the electronic instrument panel or central controller of a train or airplane, or can also be used in other devices or scenes that require electronic display functions.
- the embodiments of the present disclosure do not limit the specific use range of the display device.
- An embodiment of the present disclosure provides a vehicle, including the display device provided in any of the foregoing embodiments, and an instrument panel located inside the vehicle.
- the display device is installed on the instrument panel.
- Fig. 7 is a schematic diagram of a connection structure between a display device and a meter panel according to an embodiment of the present disclosure.
- a display device installation groove is provided on the meter panel 20 for accommodating and supporting the display device 10.
- the housing 100 of the display device 10 includes a first connecting hole 102 for connecting with a meter panel 20, and the meter panel 20 includes a second connecting hole 21 corresponding to the first connecting hole 102.
- the display device 10 provided by the embodiment of the present disclosure can be placed in the display device mounting groove, and connected to the meter panel 20 by screws at the positions of the first connection hole and the second connection hole.
- the display device can also be structurally connected to the instrument panel through other detachable methods such as snaps.
- the display device provided by the embodiment of the present disclosure may also include a signal input port, which can be plugged into the corresponding signal output port of the car to connect to the electronic control unit (ECU) of the car, and can receive power signals and data signals, In order to realize the display function.
- ECU electronice control unit
- the transportation means may also be a train or an airplane, which is not limited in the present disclosure.
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Abstract
Description
Claims (20)
- 一种显示设备,包括壳体和至少部分位于所述壳体内的显示装置,所述壳体包括第一连接面和第二连接面,所述显示装置分别与所述第一连接面和所述第二连接面连接,A display device includes a housing and a display device at least partially located in the housing. The housing includes a first connection surface and a second connection surface. The display device is connected to the first connection surface and the The second connection surface is connected,其中,所述显示装置与所述第一连接面之间和所述显示装置与所述第二连接面之间的至少之一采用固化胶连接。Wherein, at least one of the display device and the first connection surface and between the display device and the second connection surface is connected by curing glue.
- 根据权利要求1所述的显示设备,其中,所述显示装置包括相互连接的盖板和显示组件,所述盖板与所述第一连接面连接,所述显示组件与所述第二连接面连接。The display device according to claim 1, wherein the display device comprises a cover plate and a display assembly that are connected to each other, the cover plate is connected to the first connection surface, and the display assembly is connected to the second connection surface. connect.
- 根据权利要求2所述的显示设备,其中,所述壳体包括凹槽以及从所述凹槽的侧壁向外延伸的延伸部,所述凹槽被配置为容纳至少部分所述显示装置,所述延伸部与所述凹槽的侧壁远离所述凹槽的底面的边缘相连,3. The display device according to claim 2, wherein the housing comprises a groove and an extension part extending outwardly from a side wall of the groove, the groove is configured to accommodate at least part of the display device, The extension part is connected with the edge of the side wall of the groove away from the bottom surface of the groove,在垂直于所述凹槽的底面的方向上,所述延伸部的远离所述凹槽的底面的表面为所述第一连接面,所述凹槽的底面为所述第二连接面。In a direction perpendicular to the bottom surface of the groove, the surface of the extension portion away from the bottom surface of the groove is the first connecting surface, and the bottom surface of the groove is the second connecting surface.
- 根据权利要求3所述的显示设备,其中,所述第一连接面与所述第二连接面大致平行。3. The display device according to claim 3, wherein the first connection surface and the second connection surface are substantially parallel.
- 根据权利要求2-4任一项所述的显示设备,其中,所述显示组件与所述第二连接面之间采用所述固化胶连接。The display device according to any one of claims 2 to 4, wherein the curing glue is used for connection between the display assembly and the second connection surface.
- 根据权利要求5所述的显示设备,其中,所述显示组件与所述第二连接面之间彼此分离,且所述固定胶设置在所述显示组件与所述第二连接面之间的间隙中,以将所述显示组件和所述第二连接面连接。5. The display device according to claim 5, wherein the display component and the second connection surface are separated from each other, and the fixing glue is arranged in a gap between the display component and the second connection surface , To connect the display assembly and the second connection surface.
- 根据权利要求5所述的显示设备,其中,所述显示组件的面对所述第二连接面的一侧设置有朝向所述第二连接面凸出的连接部,所述第二连接面所在的所述壳体上开设有盲孔,所述盲孔的开口面向所述显示组件,所述盲孔内设置有所述固化胶,所述连接部至少部分伸入所述盲孔中的固化胶内,以使所述显示组件与所述第二连接面连接。The display device according to claim 5, wherein a side of the display assembly facing the second connection surface is provided with a connection portion protruding toward the second connection surface, and the second connection surface is located The casing is provided with a blind hole, the opening of the blind hole faces the display assembly, the curing glue is arranged in the blind hole, and the connecting portion extends at least partially into the blind hole. Inside the glue to connect the display assembly with the second connecting surface.
- 根据权利要求7所述的显示设备,其中,所述盲孔的孔径大于所述连接部伸入所述盲孔中的部分沿平行于所述第二连接面的平面截取的截面的最大尺寸。8. The display device according to claim 7, wherein the aperture of the blind hole is larger than the maximum dimension of the cross section of the part of the connecting portion that extends into the blind hole, taken along a plane parallel to the second connecting surface.
- 根据权利要求7或8所述的显示设备,其中,所述连接部与所述盲孔的侧壁和底面均不直接接触,且所述连接部与所述盲孔的侧壁和底面之间具有填充所述固化胶的间隙。The display device according to claim 7 or 8, wherein the connecting portion is not in direct contact with the side wall and bottom surface of the blind hole, and there is a gap between the connecting portion and the side wall and bottom surface of the blind hole. There is a gap for filling the curing glue.
- 根据权利要求3-9任一项所述的显示设备,其中,所述显示组件至少部分位于所述凹槽内,在平行于所述第一连接面或所述第二连接面的方向上,所述盖板伸出到所述显示组件的边缘的外侧,以与所述第一连接面连接。8. The display device according to any one of claims 3-9, wherein the display assembly is at least partially located in the groove, in a direction parallel to the first connection surface or the second connection surface, The cover plate extends to the outside of the edge of the display assembly to connect with the first connecting surface.
- 根据权利要求10所述的显示设备,其中,所述盖板伸出到所述显示组件的边缘的外侧的部分通过所述固化胶与所述第一连接面连接。10. The display device according to claim 10, wherein the portion of the cover plate that protrudes to the outside of the edge of the display assembly is connected to the first connecting surface by the curing glue.
- 根据权利要求10所述的显示设备,其中,所述盖板伸出到所述显示组件的边缘的外侧的部分通过双面胶带与所述第一连接面连接。10. The display device according to claim 10, wherein the portion of the cover plate that protrudes to the outside of the edge of the display assembly is connected to the first connecting surface by a double-sided tape.
- 根据权利要求11或12所述的显示设备,其中,所述第一连接面大致平行于所述盖板。The display device according to claim 11 or 12, wherein the first connection surface is substantially parallel to the cover plate.
- 根据权利要求7所述的显示设备,其中,所述显示组件包括从所述盖板朝向所述第二连接面的方向上依次层叠的显示面板、背光源和背板,所述连接部设置在所述背板面向所述第二连接面的表面上。8. The display device according to claim 7, wherein the display assembly comprises a display panel, a backlight, and a back plate stacked in a direction from the cover plate to the second connection surface, and the connection part is arranged at The back plate faces the surface of the second connection surface.
- 根据权利要求7所述的显示设备,其中,所述连接部靠近所述盲孔的一端包括中心孔,所述中心孔的至少部分表面与所述固化胶接触。8. The display device according to claim 7, wherein an end of the connecting portion close to the blind hole comprises a central hole, and at least a part of the surface of the central hole is in contact with the curing glue.
- 根据权利要求2所述的显示设备,其中,所述盖板与所述第一连接面采用所述固化胶连接,所述显示组件与所述第二连接面采用螺钉连接或接触连接。3. The display device according to claim 2, wherein the cover plate and the first connection surface are connected by the curing glue, and the display assembly and the second connection surface are connected by screws or contact.
- 根据权利要求1-16任一项所述的显示设备,其中,所述固化胶包括光学透明胶。The display device according to any one of claims 1-16, wherein the curing glue comprises an optical transparent glue.
- 根据权利要求2-17任一项所述的显示设备,其中,所述盖板与所述显示组件通过光学透明胶粘接。18. The display device according to any one of claims 2-17, wherein the cover plate and the display assembly are bonded by optically transparent glue.
- 一种交通工具,包括根据权利要求1-18任一项所述的显示设备,以及位于所述交通工具内部的仪表嵌板,所述显示设备安装在所述仪表嵌板上。A vehicle comprising the display device according to any one of claims 1-18, and an instrument panel located inside the vehicle, the display device being installed on the instrument panel.
- 根据权利要求19所述的交通工具,所述显示设备的壳体包括第一连接孔,所述仪表嵌板包括与所述第一连接孔对应的第二连接孔,所述显示设备通过所述第一连接孔和所述第二连接孔连接到所述仪表嵌板上。The vehicle according to claim 19, wherein the housing of the display device includes a first connection hole, the instrument panel includes a second connection hole corresponding to the first connection hole, and the display device passes through the The first connection hole and the second connection hole are connected to the meter panel.
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Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2024065479A1 (en) * | 2022-09-29 | 2024-04-04 | 京东方科技集团股份有限公司 | Backlight module, display apparatus, and touch display apparatus |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN116393340B (en) * | 2023-03-20 | 2024-01-09 | 厦门微亚智能科技股份有限公司 | Method, system and storage medium for improving bubbles in blind holes of full screen |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20130301203A1 (en) * | 2012-05-14 | 2013-11-14 | Calsonic Kansei Corporation | Holding mechanism for display device and assembling method of the same |
CN204883111U (en) * | 2015-07-01 | 2015-12-16 | 宇龙计算机通信科技(深圳)有限公司 | Narrow frame display device and terminal equipment |
CN105739147A (en) * | 2014-12-25 | 2016-07-06 | 阿尔派株式会社 | Display device |
CN106168718A (en) * | 2016-09-28 | 2016-11-30 | 昆山龙腾光电有限公司 | Liquid crystal display and display device |
CN206532053U (en) * | 2017-02-16 | 2017-09-29 | 厦门天马微电子有限公司 | A kind of liquid crystal display device |
CN207123680U (en) * | 2017-09-09 | 2018-03-20 | 深圳泰科晶显科技有限公司 | A kind of dynamic map liquid crystal module for high ferro |
CN207380402U (en) * | 2017-11-08 | 2018-05-18 | 南京粤讯电子科技有限公司 | Display panel |
CN109283738A (en) * | 2018-04-28 | 2019-01-29 | 惠州市德赛西威汽车电子股份有限公司 | A kind of backlight package assembly of vehicle-carrying display screen |
US20190212605A1 (en) * | 2018-01-10 | 2019-07-11 | Alpine Electronics, Inc. | On-vehicle display device |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108153023B (en) * | 2018-01-18 | 2021-03-23 | Oppo广东移动通信有限公司 | Display screen and electronic equipment |
CN108322562B (en) * | 2018-01-25 | 2020-03-10 | Oppo广东移动通信有限公司 | Electronic device |
CN109491140B (en) * | 2018-11-30 | 2021-06-08 | 海信视像科技股份有限公司 | Display device |
-
2020
- 2020-01-17 WO PCT/CN2020/072740 patent/WO2021142772A1/en active Application Filing
- 2020-01-17 CN CN202080000042.9A patent/CN113614623B/en active Active
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20130301203A1 (en) * | 2012-05-14 | 2013-11-14 | Calsonic Kansei Corporation | Holding mechanism for display device and assembling method of the same |
CN105739147A (en) * | 2014-12-25 | 2016-07-06 | 阿尔派株式会社 | Display device |
CN204883111U (en) * | 2015-07-01 | 2015-12-16 | 宇龙计算机通信科技(深圳)有限公司 | Narrow frame display device and terminal equipment |
CN106168718A (en) * | 2016-09-28 | 2016-11-30 | 昆山龙腾光电有限公司 | Liquid crystal display and display device |
CN206532053U (en) * | 2017-02-16 | 2017-09-29 | 厦门天马微电子有限公司 | A kind of liquid crystal display device |
CN207123680U (en) * | 2017-09-09 | 2018-03-20 | 深圳泰科晶显科技有限公司 | A kind of dynamic map liquid crystal module for high ferro |
CN207380402U (en) * | 2017-11-08 | 2018-05-18 | 南京粤讯电子科技有限公司 | Display panel |
US20190212605A1 (en) * | 2018-01-10 | 2019-07-11 | Alpine Electronics, Inc. | On-vehicle display device |
CN109283738A (en) * | 2018-04-28 | 2019-01-29 | 惠州市德赛西威汽车电子股份有限公司 | A kind of backlight package assembly of vehicle-carrying display screen |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2024065479A1 (en) * | 2022-09-29 | 2024-04-04 | 京东方科技集团股份有限公司 | Backlight module, display apparatus, and touch display apparatus |
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