WO2021227176A1 - Ensemble couvercle d'écran pour tableau de bord de véhicule automobile, tableau de bord de véhicule automobile et véhicule automobile - Google Patents

Ensemble couvercle d'écran pour tableau de bord de véhicule automobile, tableau de bord de véhicule automobile et véhicule automobile Download PDF

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Publication number
WO2021227176A1
WO2021227176A1 PCT/CN2020/095904 CN2020095904W WO2021227176A1 WO 2021227176 A1 WO2021227176 A1 WO 2021227176A1 CN 2020095904 W CN2020095904 W CN 2020095904W WO 2021227176 A1 WO2021227176 A1 WO 2021227176A1
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WIPO (PCT)
Prior art keywords
display
screen
liquid crystal
backlight source
color liquid
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PCT/CN2020/095904
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English (en)
Chinese (zh)
Inventor
宁新亮
吕冬芳
Original Assignee
黑龙江天有为电子有限责任公司
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Publication of WO2021227176A1 publication Critical patent/WO2021227176A1/fr

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    • 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
    • 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
    • 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
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices

Definitions

  • This application relates to the field of automobile technology, in particular to a screen cover assembly of an automobile instrument panel, an automobile instrument panel and an automobile.
  • the glass plate forming the cover is transparent glass, and the ink layer is printed on the back of the non-display area of the transparent glass, while the ink layer is not printed on the back of the display area corresponding to the display of the dashboard .
  • the way to achieve the black effect is to make the color difference value of the ink layer in the non-display area as close as possible to the color difference value of the display area when the car dashboard is closed.
  • the color difference of the two areas is limited by the ink layer material. The difference is difficult to be very close, causing the display of the car dashboard in the on-screen state to be not black enough, or only partially black enough, the effect of integrated black is poor, which affects the user experience and lowers the grade of the car dashboard. It even lowered the grade of the entire car.
  • the main purpose of this application is to provide a screen cover assembly of an automobile instrument panel, an automobile instrument panel, and an automobile, so as to solve the technical problem of poor integrated black effect in the prior art.
  • a screen cover assembly of an automobile instrument panel comprising a cover plate, a display part arranged on the back side of the cover plate, and a mounting frame.
  • the mounting frame is provided with a receiving groove for accommodating the display part.
  • the display component is located on the front of the mounting frame and is accommodated in the accommodating groove, the cover plate includes a glass plate, and the glass plate includes a first area corresponding to the display area of the display screen.
  • the glass plate is attached with a black ink layer on the back of the structure of the second area, and the glass plate is black glass with a light transmittance of 40% to 50%, and
  • the display component includes at least one display screen and at least one backlight source corresponding to the at least one display screen, the display surface of the display screen is arranged in close contact with the back of the cover plate, and the brightness of the backlight source is 28000cd/ m 2 to 30000cd/m 2 .
  • the display component includes an instrument end display part and a central control end display part
  • the mounting frame is an integral structure, and includes a first installation part for installing the central control end display part, and for installing the instrument
  • the second mounting part of the end display part and the connecting part connecting the first mounting part and the second mounting part, and the cover plate covers the meter end display part and the central control end display part.
  • the display screen of the central control end display part includes a first color liquid crystal display screen
  • the backlight source of the central control end display part includes a first backlight source arranged on the back of the first color liquid crystal display screen
  • the front of the first color liquid crystal display is provided with a touch panel, the front of the touch panel is fully bonded and connected to the back of the cover through a first adhesive film, and the front of the first color liquid crystal is passed through
  • the second adhesive film is fully bonded and connected to the back surface of the touch panel, and the first backlight source is fixed to the first mounting portion by a first fastener.
  • the display screen of the meter display part includes a second color liquid crystal display screen and a segment screen
  • the backlight source of the meter display part includes a second backlight source corresponding to the second color liquid crystal display screen and A fourth backlight source corresponding to the segment code screen
  • the segment code screen includes a display area and a transmission area. A color film is pasted on the back of the display area, and the back of the transmission area is connected to the The front surface of the second color liquid crystal display is fully bonded and connected, a first electrostatic glass is arranged between the segment screen and the cover plate, and the front surface of the segment screen is connected to the first electrostatic glass through a fourth adhesive film.
  • the back of the glass is fully bonded and connected, the front of the first electrostatic glass is fully bonded and connected to the back of the cover through the fifth adhesive film, the second mounting part is provided with a light guide hole, and the fourth backlight
  • the source corresponds to the position of the light guide hole, and the light emitted by the fourth backlight source is emitted to the segment screen through the light guide hole;
  • the cover plate, the touch panel, the first color liquid crystal display, the first electrostatic glass, the segment screen, the color film, and the second color liquid crystal display are bonded to each other to form
  • the components are integrally bonded to the mounting frame by glue;
  • the second backlight source includes a second light guide plate and a second light-emitting strip arranged on at least one side of the second light guide plate.
  • the second light-emitting strips are arranged on opposite sides of the second light guide plate.
  • the display screen of the meter-side display part includes a third color liquid crystal display screen
  • the backlight source of the meter-side display part includes a third backlight source corresponding to the third color liquid crystal display screen.
  • a second electrostatic glass is arranged between the color liquid crystal display and the cover plate, the front of the third color liquid crystal display is fully bonded and connected to the back of the second electrostatic glass through a fourth adhesive film, and the first The front surface of the second electrostatic glass is fully bonded and connected to the back surface of the cover plate through a fifth adhesive film, and the third backlight source is fixed to the second mounting portion through a second fastener;
  • the assembly formed by bonding the cover plate, the touch panel, the first color liquid crystal display, the second electrostatic glass, and the third color liquid crystal display to each other is integrally bonded to the installation by glue shelf;
  • the third backlight source includes a third light guide plate and a third light-emitting strip arranged on at least one side of the third light guide plate.
  • the third light-emitting strips are arranged on opposite sides of the third light guide plate.
  • the mounting frame is a long plate-shaped structure
  • the first mounting part and the second mounting part are arranged at an obtuse angle
  • the cover plate is a bent plate that is adapted to the mounting frame.
  • the present application provides a screen cover assembly of an automobile instrument panel.
  • the screen cover assembly of the automobile instrument panel is equipped with a black glass with a lower light transmittance and a backlight source that matches it. Ensure that when the car dashboard equipped with the screen cover assembly is in the off-screen state, it presents an integrated black effect; it can better ensure the normal display of the car dashboard in the display state, which is convenient for users to use, and thus ensures the driver’s Safety.
  • An automobile instrument panel includes the above-mentioned screen cover assembly.
  • the present application also provides an automobile instrument panel. Since the automobile instrument panel has the above-mentioned screen cover assembly, it has the same technical effect as the above-mentioned screen cover assembly.
  • An automobile includes the automobile dashboard as described above.
  • the present application also provides an automobile, which has the same technical effect as the above automobile instrument panel because it has the above automobile instrument panel.
  • Fig. 1 is an exploded schematic diagram of an automobile instrument panel according to a preferred embodiment of the present application
  • Figure 2 is an exploded schematic diagram of an automobile instrument panel according to another preferred embodiment of the present application.
  • Fig. 3 is a schematic diagram of an assembly of an automobile instrument panel according to a preferred embodiment of the present application.
  • Figure 4 is a schematic structural view of the mounting frame viewed from the back according to a preferred embodiment of the present application
  • Fig. 5 is a schematic view of a partial structure of the mounting frame viewed from the back according to a preferred embodiment of the present application.
  • This application proposes a screen cover assembly of an automobile instrument panel and an automobile instrument panel provided with the screen cover assembly.
  • the mounting frame 3 is provided with a receiving slot for accommodating the display component 2
  • the display component 2 is located on the front of the mounting frame 3 and is accommodated in the receiving slot
  • the display component 2 includes at least one display screen and a backlight source corresponding to the display screen.
  • each display screen may correspond to a matching backlight source, that is, multiple display screens.
  • the screens do not interfere with each other, and multiple backlights do not interfere with each other. When a certain group of display screens and backlights are damaged, it will not affect the use of the rest; it can also be matched by multiple display screens.
  • the cover plate 1 includes a glass plate 12 and a black ink layer coated on the back of the glass plate 12, and the glass plate 12 includes a first area corresponding to the display area of the display screen and except for the first area In the second area other than the second area, the black ink layer is only coated on the second area to ensure that the second area, which is the display area, displays black when the screen is off.
  • the glass plate 12 is black glass. The black glass is used to reduce the light transmittance of the cover plate 1 to improve the integral black effect.
  • the lower the light transmittance of the cover 1 is, the better the overall black effect will be, but at the same time it will bring about the sacrifice of brightness.
  • the lower the light transmittance the greater the sacrifice of brightness. Therefore, it is necessary to improve the backlight
  • the brightness is used to compensate for the brightness, but at the same time, the heat generation of the backlight must be taken into account.
  • the light transmittance of the black glass is 40% to 50%, and the brightness of the backlight source is 28000 cd/m 2 to 30000 cd/m 2 .
  • the black display of the entire car dashboard will be lighter in the state of the screen, and the overall effect of the integrated black is poor; when the light transmittance of black glass When it is lower, for example, 35%.
  • the display is darker in the rest screen state, the effect of integrated black is better, but because of its low light transmittance, the display of the car dashboard in the use state is relatively poor. Clear, poor display effect, affecting the use of users.
  • the brightness of the backlight is small, it will also affect the display effect of the use state.
  • the chromaticity difference of the automobile instrument panel provided in this application can reach ⁇ E under the screen state ⁇ 1, to better ensure that the integrated black effect is presented when the car dashboard is in the off-screen state, and the grade of the car dashboard is improved.
  • the car dashboard also includes a circuit board 4 and a back shell 6, the display component 2 is fixedly mounted on the front of the mounting frame 3, the circuit board 4 is mounted on the back of the mounting frame 3, and the display component 2 includes The instrument end display part 22 and the central control end display part 21 integrate the instrument display and the central control display of the car into an instrument panel to form an integrated instrument structure.
  • the cover plate 1 covers the instrument end display part 22 and The central control end display portion 21 protects the display component 2 in all directions, and forms the overall appearance of an integrated meter structure.
  • the cover plate 1 further includes an explosion-proof film 11, and the explosion-proof film 11 is pasted on the front surface of the glass plate 12 to better protect the glass plate 12.
  • the circuit board 4 includes a meter end circuit board 42 and a central control end circuit board 41.
  • the meter-side circuit board 42 and the meter-side display part 22 are used to realize meter display, such as the display of information such as the speed and fuel level of the car.
  • the central control-end circuit board 41 and the central control-end display part 21 are used for the user to perform control operations. , Such as Bluetooth operation, map navigation operation, etc.
  • the mounting frame 3 is an integrated structure to ensure the structural strength of the entire mounting frame 3, thereby ensuring the structural stability of the entire automobile instrument
  • the mounting frame 3 includes a mounting frame for installing the central control terminal The display part 21 and the first mounting part 31 of the central control end circuit board 41, the second mounting part 32 for mounting the meter end display part 22 and the meter end circuit board 42 and connecting the first mounting part Portion 31 and the connecting portion 33 of the second mounting portion 32.
  • the connecting portion 33 includes reinforcing ribs to improve the overall structural strength of the connecting portion 33, thereby better ensuring the first mounting portion 31, the connecting portion 33, and the second mounting portion 33.
  • the display screen of the central control end display portion 21 includes a first color liquid crystal display 211
  • the backlight source of the central control end display portion 21 includes a first color liquid crystal display
  • the first backlight source 212 on the back of the screen 211, the first backlight source 212 and the central control end circuit board 41 are fixed to the first mounting portion 31 together by a first fastener, for example, Bolts or screws, etc., to ensure that the first backlight source 212 and the central control end circuit board 41 are reliably fixed to the first mounting portion 31, and the two are fixed by the same fastener to improve assembly efficiency and reduce the risk of separate installation. Accumulation of errors.
  • the front surface of the first color liquid crystal display 211 is provided with a touch panel 213, and the front surface of the touch panel 213 is fully bonded and connected to the back surface of the cover plate 1 through a first adhesive film.
  • the front surface of the display screen 211 is fully bonded and connected to the back of the touch panel 213 through the second adhesive film, and is fully bonded through the above-mentioned touch panel 213, the cover plate 1, and the first color liquid crystal display 211. It can better ensure the reliability and airtightness of the connection between the three.
  • the fully-fitting connection method can avoid light leakage between the two, improve the display effect of the entire car dashboard, and further optimize the integrated black effect; in addition, It should be noted that the first adhesive film and the second adhesive film both use optical adhesives.
  • connection method no other connection structure is required, which can avoid light leakage caused by other connection structures, and at the same time , The efficiency of the bonding connection method is also higher, which improves the assembly efficiency of the automobile instrument panel. Further, the whole composed of the cover plate 1, the touch panel 213 and the first color liquid crystal display 211 is glued and connected to the mounting frame 3. The bonding connection method can not only ensure the reliability of the connection, but also improve the assembly efficiency.
  • the display screen of the meter end display portion 22 includes a third color liquid crystal display screen 221, which is used for the meter end display portion 22 through the entire third color liquid crystal display screen 221
  • the display can greatly improve the display effect and enhance the user experience.
  • the backlight source of the meter end display portion 22 includes a third backlight source 222 corresponding to the third color liquid crystal display 221, and the third backlight source 222 and the meter end circuit board 42 pass through a second fastener They are fixed to the second mounting portion 32 together, and the third fasteners are, for example, bolts or screws, etc., to ensure that the third backlight source 222 is reliably fixed to the second mounting portion 32.
  • a second electrostatic glass 223 is provided between the third color liquid crystal display screen 221 and the cover plate 1, and the front surface of the third color liquid crystal display screen 221 passes through a fourth adhesive film and the second electrostatic glass 223
  • the back side is fully bonded and connected.
  • the front side of the second electrostatic glass 223 is fully bonded and connected to the back of the cover plate 1 through the fifth adhesive film.
  • the above-mentioned fully bonded connection method can better ensure the cover plate 1 .
  • the reliability and tightness of the connection between the second electrostatic glass 223 and the third color liquid crystal display 221 can avoid light leakage and further improve the display effect of the automobile dashboard.
  • the fourth adhesive film and the fifth adhesive film also use optical adhesives.
  • connection method Through the above-mentioned fully-laminated connection method, other connection structures can be avoided, and the possibility of other connection structures can be avoided.
  • the phenomenon of light leakage, and at the same time, the efficiency of the bonding connection method is also higher, which improves the assembly efficiency of the automobile instrument panel.
  • the third backlight 222 includes a third light guide plate and a third light-emitting strip provided on at least one side of the third light guide plate.
  • the third light-emitting bar may be only arranged on one side of the third light guide plate.
  • the third light-emitting bar is arranged on opposite sides of the third light guide plate to further improve the brightness of the light.
  • the display effect of the third color liquid crystal display screen 221 is further improved, that is, the display effect of the instrument end display part 22 is improved, so that the driver can observe the instrument end display part 22 and improve driving performance. safety.
  • the segment code screen can be used to achieve an integrated color display effect. Therefore, in another preferred embodiment, referring to Figures 2 and 3, the meter The display screen of the end display part 22 includes a second color liquid crystal display screen and a segment code screen, and the cost can be reduced by arranging the meter end display part 22 that is matched with the segment code screen and the second color liquid crystal display screen.
  • the backlight source of the meter display part 22 includes a second backlight source corresponding to the second color liquid crystal display screen and a fourth backlight source corresponding to the segment screen.
  • the segment screen includes a display area and a transmissive display area.
  • the fully-fitting connection method can avoid light leakage between the two and improve the display effect of the entire car dashboard.
  • the color film may also be bonded to the back of the segment screen with a whole piece structure, and the second color liquid crystal display is bonded to the color film by a full bonding method.
  • a first electrostatic glass is arranged between the segment screen and the cover plate 1 to better avoid the generation of static electricity and affect the use.
  • the touch panel 213 has an anti-static effect, so the display part 21 of the central control end does not need to be provided with electrostatic glass.
  • the second backlight source and the meter end circuit board 42 are fixed to the second mounting portion 32 together by a second fastener, such as a bolt or Screws, etc., to ensure that the second backlight source and the meter-side circuit board 42 are reliably installed on the second mounting portion 32, and the two are fixed by the same fastener to improve assembly efficiency and reduce the accumulation of errors due to separate installation.
  • the fourth backlight source is arranged on the meter end circuit board 42, the second mounting portion 32 is provided with a light guide hole, and the light emitted by the fourth backlight source is emitted to the segment code through the light guide hole
  • the screen cooperates with the color film to realize the color display effect of the segment screen.
  • the front side of the segment screen is fully bonded to the back of the first electrostatic glass through a fourth adhesive film, and the front side of the first electrostatic glass is fully bonded to the back of the cover plate 1 through a fifth adhesive film.
  • the connection further improves the reliability and tightness of the connection between the segment screen, the first electrostatic glass and the cover plate 1, avoids light leakage, and further improves the display effect of the automobile dashboard.
  • the third adhesive film and the fourth adhesive film also use optical adhesives.
  • other connection structures can be avoided, and the possibility of other connection structures can be avoided.
  • the phenomenon of light leakage, and at the same time, the efficiency of the bonding connection method is also higher, which improves the assembly efficiency of the automobile instrument panel.
  • the first screen cover assembly formed by the display screen is integrally bonded to the mounting frame 3 by glue.
  • the bonding connection method can not only ensure the reliability of the connection, but also improve the assembly efficiency.
  • the second backlight source includes a second light guide plate and a second light-emitting strip arranged on at least one side of the second light guide plate.
  • the second light-emitting strips may be arranged only on one side of the light guide plate.
  • the second light-emitting strips are arranged on opposite sides of the second light guide plate to further increase the brightness of the light, thereby increasing the brightness of the light. 2.
  • the display effect of the color liquid crystal display is to improve the display effect of the instrument end display part 22, so that the driver can observe the instrument end display part 22 and improve driving safety.
  • the display area of the instrument end display portion 22 and the center control end display portion 21 may be the same or different, and they can be set according to specific needs.
  • the meter-side display part 22 includes a third color liquid crystal display screen 221
  • the third color liquid crystal display screen 221 has the same structure as the first color liquid crystal display screen 211
  • the third backlight source 222 and the first backlight source 212 have the same structure.
  • the structure is also the same to facilitate production, purchase of related materials and subsequent maintenance, and reduce costs.
  • the mounting frame 3 has a plate-like structure to facilitate the connection with the display component 2 and the circuit board 4. It can be a plate-like structure or a bent plate-like structure, etc., so as to adapt to different placements. space.
  • the mounting frame 3 has a long plate-like structure, and there is no included angle between the first mounting portion 31 and the second mounting portion 32.
  • the cover plate 1 is in a shape similar to the mounting frame. 3 A suitable flat plate to ensure that the cover 1 can better cover all the display parts 2 so as to better protect the display parts 2.
  • the mounting frame 3 has a long plate-like structure, and the first mounting portion 31 and the second mounting portion 32 are arranged at an obtuse angle, so that the display of the central control end display portion 21
  • the display surface and the display surface of the instrument end display portion 22 are arranged at an obtuse angle, which makes it more convenient for the driver to observe the display content of the central control end display portion 21, thereby further improving driving safety.
  • the cover plate 1 is a bent plate adapted to the mounting frame 3 to ensure that the cover plate 1 can better cover all the display parts 2 so as to better protect the display parts 2 .
  • the glass plate 12 is a hot-bent glass
  • the hot-bent glass includes a first flat portion covering the meter end display portion 22, and a second portion covering the center control end display portion 21.
  • Two flat panel parts and a curved panel part connecting the first flat panel part and the second flat panel part, the cover plate 1, the display screen of the meter end display part 22, and the display of the center control end display part 21 The screens are glued together, and the first flat part and the second flat part are arranged at an obtuse angle, so that the display surface of the meter end display part 22 and the display surface of the center control end display part 21 are formed between Obtuse angle, the screen cover assembly is integrally bonded to the mounting frame 3 by glue.
  • the front of the mounting frame 3 is provided with an instrument end accommodating groove and a central control end accommodating groove, wherein the instrument end The accommodating groove is provided in the first installation portion 31, the central control end accommodating groove is provided in the second installation portion 32, the meter end display portion 22 is located in the meter end accommodating groove, and the The central control end display part 21 is located in the central control end accommodating slot to ensure that the instrument end display part 22 and the central control end display part 21 are better fixed on the mounting frame 3, and the instrument end circuit board 42 and all The central control end circuit board 41 is fixed on the back of the mounting frame 3, and the overall structure layout is reasonable.
  • the obtuse angle is equal to the obtuse angle formed between the first mounting portion 31 and the second mounting portion 32 of the mounting frame 3, that is, the structure of the bent glass and the display part 2 is the same as that of the mounting frame 3.
  • the front surface of the mounting frame 3 is recessed to form a cover plate accommodating groove
  • the cover plate 1 is received in the cover plate accommodating groove
  • the bottom of the cover plate accommodating groove is recessed.
  • the instrument end accommodation slot and the central control end accommodation slot, the cover plate accommodation slot can limit the cover plate 1, thereby facilitating the pasting of the screen cover assembly.
  • the cover plate is arranged in the cover plate accommodation slot 1. It can ensure the integrity of the instrument panel's appearance.
  • a metal shell 5 is provided between the circuit board 4 and the back shell 6 to improve the overall structural strength of the instrument panel. At the same time, the metal shell 5 can also dissipate the circuit board 4 well. Effect.
  • the mounting bracket 3 is provided with a thermally conductive element through hole 34, and a thermally conductive material (not shown in the figure) is provided in the thermally conductive element through hole 34.
  • the front surface of the material piece is attached to the back surface of the backlight, and the back surface of the heat-conducting material piece is attached to the front surface of the metal shell 5.
  • the heat-conducting material piece can better transfer the heat of the circuit board 4 to the metal shell. 5.
  • the metal shell 5 is fixedly connected to the mounting frame 3 by a third fastener
  • the outer edge of the back shell 6 is fixedly connected to the mounting frame 3 by a fourth fastener
  • the back The shell 6 is also fixedly connected to the metal shell 5 by the fifth fastener, and the reliable connection between the metal shell 5, the mounting frame 3 and the back shell 6 can be better ensured through the above-mentioned connection method.
  • the mounting frame 3 is provided with a plurality of mounting posts
  • the back shell 6 is fixedly connected to the mounting posts by the fourth fasteners, and at least part of the mounting posts among the plurality of mounting posts
  • the above-mentioned mounting posts can not only realize the fixed connection between the back shell 6 and the mounting frame 3, but also some of the mounting posts can play a role in positioning the metal shell 5 to facilitate the accuracy of the metal shell 5 Fixed to the corresponding position, the structure layout is more reasonable. Furthermore, referring to FIG.
  • the automobile instrument panel further includes a plurality of mounting plates 7, and the automobile instrument panel is installed in the automobile through the mounting plate 7, and the mounting plate 7 includes a first connecting plate part and The second connecting plate part, the first connecting plate part is fixedly connected to the metal shell 5, the second connecting plate part is used to connect with the mating structure on the automobile, and the back shell 6 is provided with a shelter for shelter
  • the avoidance structure of the mounting plate 7 due to the better structural strength of the metal shell 5, the connection between the automobile dashboard and the automobile through the metal shell 5 can better ensure the reliable installation of the automobile dashboard on the automobile, and avoid Falling off of the car dashboard.
  • the application also proposes a car provided with the car dashboard, the car is provided with a car dashboard, and the car dashboard is a car dashboard provided with the above-mentioned screen cover assembly, so that the car has the same characteristics as the above-mentioned car dashboard.
  • the same technical effect improves the user experience and the grade of the car.

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  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Optics & Photonics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Instrument Panels (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Abstract

Ensemble couvercle d'écran pour un tableau de bord de véhicule automobile, tableau de bord de véhicule automobile et véhicule automobile. L'ensemble couvercle d'écran comprend une plaque de couverture (1), et un composant d'affichage (2) et un cadre de montage (3) qui sont disposés sur le côté arrière de la plaque de couverture (1) ; la plaque de couverture (1) comprend une plaque de verre (12), une couche d'encre noire est fixée au côté arrière d'une structure d'une seconde région de la plaque de verre (12), la plaque de verre (12) est un verre noir présentant une transmittance de lumière de 40 % à 50 %, le composant d'affichage (2) comprenant au moins un écran d'affichage et au moins une source de rétroéclairage disposée en correspondance avec l'au moins un écran d'affichage, une face d'affichage de l'écran d'affichage étant fixée à la face arrière de la plaque de couverture (1), et la source de rétroéclairage présente une luminosité de 28000 cd/m2 à 30000 cd/m2.
PCT/CN2020/095904 2020-05-14 2020-06-12 Ensemble couvercle d'écran pour tableau de bord de véhicule automobile, tableau de bord de véhicule automobile et véhicule automobile WO2021227176A1 (fr)

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CN202020804679.0U CN212267232U (zh) 2020-05-14 2020-05-14 一种汽车仪表盘的屏盖组件、汽车仪表盘及汽车
CN202020804679.0 2020-05-14

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