WO2020237947A1 - 显示模组 - Google Patents

显示模组 Download PDF

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Publication number
WO2020237947A1
WO2020237947A1 PCT/CN2019/108422 CN2019108422W WO2020237947A1 WO 2020237947 A1 WO2020237947 A1 WO 2020237947A1 CN 2019108422 W CN2019108422 W CN 2019108422W WO 2020237947 A1 WO2020237947 A1 WO 2020237947A1
Authority
WO
WIPO (PCT)
Prior art keywords
display
display module
backlight
side wall
module
Prior art date
Application number
PCT/CN2019/108422
Other languages
English (en)
French (fr)
Inventor
肖士元
Original Assignee
武汉华星光电技术有限公司
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 武汉华星光电技术有限公司 filed Critical 武汉华星光电技术有限公司
Priority to US16/620,067 priority Critical patent/US11541644B2/en
Publication of WO2020237947A1 publication Critical patent/WO2020237947A1/zh

Links

Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • 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
    • G02F1/133308—Support structures for LCD panels, e.g. frames or bezels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/28—Layered products comprising a layer of synthetic resin comprising synthetic resins not wholly covered by any one of the sub-groups B32B27/30 - B32B27/42
    • B32B27/281—Layered products comprising a layer of synthetic resin comprising synthetic resins not wholly covered by any one of the sub-groups B32B27/30 - B32B27/42 comprising polyimides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
    • B32B3/02—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions
    • B32B3/04—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions characterised by at least one layer folded at the edge, e.g. over another layer ; characterised by at least one layer enveloping or enclosing a material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide
    • G02B6/0051—Diffusing sheet or layer
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00—Casings, cabinets or drawers for electric apparatus
    • H05K5/02—Details
    • H05K5/03—Covers
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00—Casings, cabinets or drawers for electric apparatus
    • H05K5/06—Hermetically-sealed casings
    • H05K5/069—Other details of the casing, e.g. wall structure, passage for a connector, a cable, a shaft
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2255/00—Coating on the layer surface
    • B32B2255/10—Coating on the layer surface on synthetic resin layer or on natural or synthetic rubber layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/30—Properties of the layers or laminate having particular thermal properties
    • B32B2307/306—Resistant to heat
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/40—Properties of the layers or laminate having particular optical properties
    • B32B2307/412—Transparent
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/40—Properties of the layers or laminate having particular optical properties
    • B32B2307/416—Reflective
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/40—Properties of the layers or laminate having particular optical properties
    • B32B2307/42—Polarizing, birefringent, filtering
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/724—Permeability to gases, adsorption
    • B32B2307/7242—Non-permeable
    • B32B2307/7246—Water vapor barrier
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/726—Permeability to liquids, absorption
    • B32B2307/7265—Non-permeable
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2457/00—Electrical equipment
    • B32B2457/20—Displays, e.g. liquid crystal displays, plasma displays
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2605/00—Vehicles
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0081—Mechanical or electrical aspects of the light guide and light source in the lighting device peculiar to the adaptation to planar light guides, e.g. concerning packaging
    • G02B6/0093—Means for protecting the light guide
    • 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
    • G02F1/133308—Support structures for LCD panels, e.g. frames or bezels
    • G02F1/133311—Environmental protection, e.g. against dust or humidity
    • 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
    • G02F1/133308—Support structures for LCD panels, e.g. frames or bezels
    • G02F1/133317—Intermediate frames, e.g. between backlight housing and front frame
    • 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
    • G02F1/133308—Support structures for LCD panels, e.g. frames or bezels
    • G02F1/133331—Cover glasses
    • 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
    • G02F2201/00—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
    • G02F2201/50—Protective arrangements

Definitions

  • the present application relates to the field of vehicle display technology, and in particular to a display module used in vehicles.
  • LTPS low temperature poly-silicon
  • the cover of the display module is bonded and fixed with the module by a fixed tape.
  • there are gaps at the edge of the fixed tape Water vapor and dust can easily enter the interior of the display module from the gap. Affect the reliability of the display module.
  • the embodiment of the present application provides a display module, which can improve the reliability of the display module.
  • the embodiment of the present application provides a display module, including: a display assembly and a flexible cover;
  • the display component includes:
  • a backlight box the backlight box includes a bottom wall and a side wall, and the bottom wall and the side wall surround a receiving space;
  • a backlight module the backlight module being accommodated in the containing space
  • a support structure the support structure is located on the side wall of the backlight box;
  • a display panel the display panel being arranged on the supporting structure
  • the flexible cover plate covers the display assembly and seals the first gap between the backlight box and the support structure, and the second gap between the support structure and the display panel.
  • the flexible cover includes: a first part corresponding to one side of the support structure, a second part corresponding to the display panel, and a bottom of the backlight box. A third part corresponding to the wall and a fourth part corresponding to the other side of the supporting structure.
  • the first part is connected between the second part and the third part
  • the fourth part is connected between the second part and the third part
  • the flexible cover plate includes a hardened layer, a substrate layer and an adhesive layer;
  • the substrate layer is arranged between the hardened layer and the glue layer.
  • the flexible cover plate is attached to the display assembly through the adhesive layer.
  • the hardening layer, the substrate layer and the adhesive layer are all transparent materials.
  • the material of the substrate layer is polyimide.
  • the hardened layer has a scratch-resistant and wear-resistant effect.
  • the support structure includes a main body, a first extension, and a second extension; the main body is disposed on the side wall; the first extension is disposed On the side of the main body close to the side wall and extending in the direction of the bottom wall, the first extension portion is located on the side of the side wall away from the receiving space; the second extension portion Is disposed on the side of the main body close to the side wall, the extension direction of the second extension portion and the extension direction of the first extension portion have a predetermined angle, and the second extension portion is located at the Above the backlight module.
  • the first part is attached to a side of the first extension part away from the side wall and a side of the main body part away from the side wall.
  • the second part is attached to a side of the main body part away from the second extension part and a side of the display panel away from the backlight module.
  • the third part includes a first sub-part and a second sub-part
  • the first sub-part is connected to the first part
  • the second sub-part is connected to the fourth part
  • the first sub-part and the second sub-part are attached to the bottom wall away from the backlight One side of the module.
  • the first sub-part is connected to the second sub-part.
  • the fourth part is attached to a side of the first extension part away from the side wall and a side of the main body part away from the side wall.
  • the backlight module includes a reflective sheet, a light guide plate, and a brightness enhancement film that are sequentially stacked from bottom to top.
  • the brightness enhancement film includes a lower diffusion sheet, a lower brightness enhancement sheet, an upper brightness enhancement sheet and an upper diffusion sheet which are sequentially stacked from bottom to top.
  • the display panel includes a lower polarizer, a thin film transistor, a color film substrate, and an upper polarizer that are sequentially stacked from bottom to top.
  • the embodiment of the application provides a display module, the display module includes a display assembly and a flexible cover, the display assembly includes a backlight box, the backlight box includes a bottom wall and a side wall, the bottom wall and the side The wall is surrounded by a accommodating space; a backlight module, the backlight module is accommodated in the accommodating space; a support structure, the support structure is located on the side wall of the backlight box; and a display panel, the display panel Is arranged on the supporting structure; the flexible cover plate covers the display assembly and seals the gap between the backlight box and the supporting structure, and the gap between the supporting structure and the display panel .
  • This solution uses a flexible cover plate to cover the display module to isolate external water vapor and dust from entering the interior of the display module, thereby improving the dustproof and waterproof capabilities of the display module, thereby improving the reliability of the display module.
  • FIG. 1 is a schematic structural diagram of a display module provided by an embodiment of the present application.
  • FIG. 2 is a schematic structural diagram of a backlight module provided by an embodiment of the present application.
  • FIG. 3 is a schematic structural diagram of a display panel provided by an embodiment of the present application.
  • Fig. 4 is a schematic structural diagram of a flexible cover provided by an embodiment of the present application.
  • FIG. 5 is a schematic diagram of another structure of a display module provided by an embodiment of the present application.
  • the embodiment of the present application provides a display module, which will be described in detail below.
  • FIG. 1 is a schematic structural diagram of a display module provided by an embodiment of the present application.
  • the display module 1 may include a display assembly 10 and a flexible cover 20.
  • the display assembly 10 may include a backlight box 101, a backlight module 102, a supporting structure 103 and a display panel 104. It should be noted that the display assembly 10 includes but is not limited to the aforementioned components, and the display assembly 10 may also include other components, such as a control chip, a fixing tape, and the like.
  • the backlight box 101 may include a bottom wall 1011 and a side wall 1012.
  • the bottom wall 1011 and the side wall 1012 can enclose a receiving space 1013.
  • the accommodation space 1013 can be used to accommodate the backlight module 102.
  • the bottom wall 1011 can be used to place the backlight module 102, and the side wall 1012 can be used to support the supporting structure 103.
  • the backlight module 102 can be accommodated in the accommodating space 1013, and the backlight module 102 can be used to provide a light source for the display panel 104.
  • the backlight module 102 is attached to the bottom wall 1011 of the backlight box 101.
  • the backlight module 102 may include a reflective sheet 1021, a light guide plate 1022, and a brightness enhancement film 1023 that are sequentially stacked from bottom to top.
  • the brightness enhancement film 1023 may include a lower diffusion sheet 1023a, a lower brightness enhancement sheet 1023b, an upper brightness enhancement sheet 1023c and an upper diffusion sheet 1023d which are sequentially stacked from bottom to top.
  • the specific functions of the reflective sheet 1021, the light guide plate 1022, and the brightness enhancement film 1023 are common knowledge, and will not be repeated here.
  • the supporting structure 103 may be disposed on the side wall 1012 of the backlight box 101.
  • the support structure 103 may include a main body portion 1031, a first extension portion 1032 and a second extension portion 1033.
  • the main body 1031 is disposed on the side wall 1012 of the backlight box 101.
  • the first extension portion 1032 is disposed on a side of the main body portion 1031 close to the side wall 1012.
  • the first extension portion 1032 extends in the direction of the bottom wall 1011.
  • the first extension 1032 is located on the side of the side wall 1012 away from the receiving space 1013.
  • the second extension portion 1033 is disposed on a side of the main body portion 1031 close to the side wall 1012.
  • the extension direction of the second extension portion 1033 and the extension direction of the first extension portion 1032 have a predetermined included angle 1034, and the predetermined included angle 1034 may be between 80°-100°.
  • the second extension 1033 is located on the backlight module 102.
  • the second extension 1033 can be used to support the display panel 104. It should be noted that there is a first gap 40 between the second extension portion 1032 of the supporting structure 103 and the side wall 1012 of the backlight box 101.
  • a buckle structure may be provided on the support structure 103 and the side wall 1012 respectively, and the support structure 103 and the side wall 1012 are clamped and fixed by the buckle structure. It is also possible to add a fixing tape between the supporting structure 103 and the side wall 1012, and the supporting structure 103 and the side wall 1012 are fixedly connected by the fixing tape.
  • a gap 1014 can be provided as a buffer space between the backlight module 102 and the side wall 1012 of the backlight box 101 and the second extension 1033 of the supporting structure 103.
  • the display panel 104 may be disposed on the supporting structure 103.
  • the display panel 104 can be used to display images.
  • the display panel 104 may be fixedly connected to the supporting structure 103 by a fixing tape.
  • the display panel 104 may include a lower polarizer 1041, a thin film transistor 1042, a color film substrate 1043, and an upper polarizer 1044 that are sequentially stacked from bottom to top.
  • a flexible cover 20 can be provided.
  • the flexible cover 20 can be wrapped on the display assembly 10 to cover the gaps on the display assembly 10 to prevent external moisture and dust from entering the display assembly 10.
  • the flexible cover 20 may include a hardening layer 21, a base material layer 22 and an adhesive layer 23.
  • the base layer 22 is disposed between the hardened layer 21 and the glue layer 23.
  • the hardened layer 21 has a scratch-resistant and wear-resistant effect, and can protect the base layer 22.
  • the base layer 22 can be made of a transparent polyimide (PI) material.
  • PI transparent polyimide
  • the PI material has good high temperature resistance, which is beneficial to use sputtering or evaporation to make the hardened layer 21.
  • the adhesive layer 23 is mainly used to bond and fix the flexible cover 20 to the display assembly 10.
  • the flexible cover 20 can be attached to the display assembly 10 through the adhesive layer 23. It should be noted that the hardened layer 21, the base material layer 22 and the adhesive layer 23 are all transparent materials, that is, the flexible cover 20 is transparent.
  • the flexible cover 20 covers the display assembly 10 and seals the first gap 40 between the backlight box 101 and the supporting structure 103 and the second gap 50 between the supporting structure 103 and the display panel 104.
  • the flexible cover 20 may include a first portion 201 corresponding to one side of the support structure 103, a second portion 202 corresponding to the display panel 104, and a third portion corresponding to the bottom wall 1011 of the backlight box 101. 203 and a fourth part 204 corresponding to the other side of the supporting structure 103.
  • the first part 201 is connected between the second part 202 and the third part 203.
  • the fourth part 204 is connected between the second part 202 and the third part 203. It is understandable that since the flexible cover 20 is transparent, the second part 202 of the flexible cover 20 can be transparent and light guide, and the display panel 104 can display through the second part 20.
  • the third part 203 of the flexible cover 20 may include a first sub-part 2031 and a second sub-part 2032, and the first sub-part 2031 and the second sub-part 2032 may be directly connected.
  • a gap 30 may be reserved between the first sub-part 2031 and the second sub-part 2032 to shorten the length of the first sub-part 2031 and the second sub-part 2032 .
  • the first sub-part 2031 and the second sub-part 2032 need to cover the first gap 40 between the first extension 1031 of the support structure 103 and the bottom wall 1011 of the backlight box 101. It can be understood that the first sub-part 2031 is connected to the first part 201 and the second sub-part 2032 is connected to the fourth part 204.
  • the first portion 201 is attached to the side of the first extension portion 1032 away from the side wall 1012 and the side of the main body portion 1031 away from the side wall 1012.
  • the second portion 202 is attached to the side of the main body 1031 away from the second extension portion 1033 and the side of the display panel 104 away from the backlight module 102.
  • the third part 203 is attached to the side of the bottom wall 1011 away from the backlight module 102, that is, the first sub-part 2031 and the second sub-part 2031 are attached to the side of the bottom wall 1011 of the backlight box 101 away from the backlight module 102.
  • the fourth portion 204 is attached to the side of the first extension portion 1032 away from the side wall 1012 and the side of the main body portion 1031 away from the side wall 1012.
  • the display module 1 provided by the embodiment of the present application seals the first gap 40 between the backlight box 101 and the support structure 103 and the gap between the support structure 103 and the display panel 104 by using a flexible cover 20 to cover the display assembly 10
  • the second gap 50 therebetween isolates water vapor and dust from the outside from entering the interior of the display assembly 10, thereby improving the dustproof and waterproof capabilities of the display module 1, thereby improving the reliability of the display module 1.

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Abstract

一种显示模组(1)，通过使用柔性盖板(20)包覆显示组件(10)，从而密封了背光盒(101)与支撑结构(103)之间的第一间隙(40)、以及支撑结构(103)与显示面板(104)之间的第二间隙(50)，可以隔绝外界的水汽和灰尘等进入显示组件(10)的内部，从而提高了显示模组(1)的防尘、防水等能力，进而提高了显示模组(1)的可靠性。

Description

显示模组 技术领域
本申请涉及车载显示技术领域，尤其涉及一种用于车载的显示模组。
 背景技术
随着显示面板技术和汽车技术的发展，车载低温多晶硅（Low Temperature Poly-silicon, LTPS）显示模组由于具有窄边框的特性而被广泛应用到汽车领域，因此，对车载LTPS显示模组的可靠性的要求也越来越高。
 技术问题
在现有的车载LTPS显示模组中，显示模组的盖板通过固定胶带与模组粘接固定，然而固定胶带边缘处存在缝隙，水汽、灰尘等容易从缝隙处进入显示模组内部，从而影响显示模组的可靠性。
 技术解决方案
本申请实施例提供了一种显示模组，可以提高显示模组的可靠性。
本申请实施例提供了一种显示模组，包括：显示组件和柔性盖板；
所述显示组件包括：
背光盒，所述背光盒包括底壁和侧壁，所述底壁和侧壁围设成一收容空间；
背光模组，所述背光模组收容于所述收容空间内；
支撑结构，所述支撑结构位于所述背光盒的侧壁上；以及
显示面板，所述显示面板设置于所述支撑结构上；
所述柔性盖板包覆所述显示组件设置，且密封所述背光盒与所述支撑结构之间的第一间隙、所述支撑结构与所述显示面板之间的第二间隙。
在本申请实施例提供的显示模组中，所述柔性盖板包括：与所述支撑结构一侧对应设置的第一部分、与所述显示面板对应设置的第二部分、与所述背光盒底壁对应设置的第三部分和与所述支撑结构另一侧对应设置的第四部分。
其中，所述第一部分连接于所述第二部分和第三部分之间，所述第四部分连接于所述第二部分和第三部分之间。
在本申请实施例提供的显示模组中，所述柔性盖板包括硬化层、基材层和胶层；
所述基材层设置于所述硬化层和所述胶层之间。
在本申请实施例提供的显示模组中，所述柔性盖板通过所述胶层与所述显示组件贴合。
在本申请实施例提供的显示模组中，所述硬化层、所述基材层和所述胶层均为透明材质。
在本申请实施例提供的显示模组中，所述基材层的材料为聚酰亚胺。
在本申请实施例提供的显示模组中，，所述硬化层具有防刮耐磨的作用。
在本申请实施例提供的显示模组中，所述支撑结构包括主体部、第一延伸部和第二延伸部；所述主体部设置于所述侧壁之上；所述第一延伸部设置于所述主体部靠近所述侧壁的一侧，且朝所述底壁的方向延伸，所述第一延伸部位于所述侧壁远离所述收容空间的一侧；所述第二延伸部设置于所述主体部靠近所述侧壁的一侧，所述第二延伸部的延伸方向与所述第一延伸部的延伸方向具有一预设夹角，所述第二延伸部位于所述背光模组之上。
在本申请实施例提供的显示模组中，所述第一部分贴合所述第一延伸部远离所述侧壁的一侧以及所述主体部远离所述侧壁的一侧。
在本申请实施例提供的显示模组中，所述第二部分贴合所述主体部远离所述第二延伸部的一侧和所述显示面板远离所述背光模组的一侧。
在本申请实施例提供的显示模组中，所述第三部分包括第一子部分和第二子部分；
所述第一子部分与所述第一部分连接，所述第二子部分与所述第四部分连接，所述第一子部分和所述第二子部分贴合所述底壁远离所述背光模组的一侧。
在本申请实施例提供的显示模组中，所述第一子部分与所述第二子部分连接。
在本申请实施例提供的显示模组中，所述第一子部分与所述第二子部分之间具有空隙。
在本申请实施例提供的显示模组中，所述第四部分贴合所述第一延伸部远离所述侧壁的一侧以及所述主体部远离所述侧壁的一侧。
在本申请实施例提供的显示模组中，在所述背光模组与所述侧壁、所述第二延伸部之间具有一缝隙。
在本申请实施例提供的显示模组中，所述背光模组包括从下往上依次层叠的反射片、导光板和增亮膜片。
在本申请实施例提供的显示模组中，所述增亮膜片包括从下往上依次层叠的下扩散片、下增光片、上增光片和上扩散片。
在本申请实施例提供的显示模组中，所述显示面板包括从下往上依次层叠的下偏光片、薄膜晶体管、彩膜基板和上偏光片。
 有益效果
本申请实施例提供了一种显示模组，该显示模组包括显示组件和柔性盖板，所述显示组件包括：背光盒，所述背光盒包括底壁和侧壁，所述底壁和侧壁围设成一收容空间；背光模组，所述背光模组收容于所述收容空间内；支撑结构，所述支撑结构位于所述背光盒的侧壁上；以及显示面板，所述显示面板设置于所述支撑结构上；所述柔性盖板包覆所述显示组件设置，且密封所述背光盒与所述支撑结构之间的间隙、所述支撑结构与所述显示面板之间的间隙。本方案通过使用柔性盖板包覆显示组件，隔绝了外界的水汽和灰尘等进入显示组件的内部，从而提高了显示模组的防尘、防水等能力，进而提高了显示模组的可靠性。
 附图说明
图1是本申请实施例提供的显示模组的结构示意图。
图2是本申请实施例提供的背光模组的结构示意图。
图3是本申请实施例提供的显示面板的结构示意图。
图4是本申请实施例提供的柔性盖板的结构示意图。
图5是本申请实施例提供的显示模组的另一结构示意图。
 本发明的实施方式
下面将结合本申请实施例中的附图，对本申请实施例中的技术方案进行清楚、完整地描述。显然，所描述的实施例仅仅是本申请一部分实施例，而不是全部的实施例。基于本申请中的实施例，本领域技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本申请保护的范围。
本申请实施例提供了一种显示模组，以下将进行详细说明。
请参阅图1，图1是本申请实施例提供的显示模组的结构示意图。该显示模组1可以包括显示组件10和柔性盖板20。
其中，该显示组件10可以包括背光盒101、背光模组102、支撑结构103和显示面板104。需要说明的是，该显示组件10包括但不限于上述部件，显示组件10还可以包括其他部件，比如控制芯片、固定胶带等。
背光盒101可以包括底壁1011和侧壁1012。该底壁1011和该侧壁1012可以围设成一收容空间1013。该收容空间1013可用于收容该背光模组102。该底壁1011可以用于放置背光模组102，该侧壁1012可以用于支撑该支撑结构103。
背光模组102可以收容于该收容空间1013内，该背光模组102可以用于为显示面板104提供光源。该背光模组102贴合于背光盒101的底壁1011。请参阅图2，该背光模组102可以包括从下往上依次层叠的反射片1021、导光板1022和增亮膜片1023。该增亮膜片1023可以包括从下往上依次层叠的下扩散片1023a、下增光片1023b、上增光片1023c和上扩散片1023d。反射片1021、导光板1022和增亮膜片1023的具体作用为公知常识，在此不再一一赘述。
支撑结构103可以设置于背光盒101的侧壁1012上。该支撑结构103可以包括主体部1031、第一延伸部1032和第二延伸部1033。
主体部1031设置于背光盒101的侧壁1012上。第一延伸部1032设置于主体部1031靠近侧壁1012的一侧。第一延伸部1032朝底壁1011的方向延伸。该第一延伸部1032位于侧壁1012远离收容空间1013的一侧。第二延伸部1033设置于主体部1031靠近侧壁1012的一侧。该第二延伸部1033的延伸方向与第一延伸部1032的延伸方向具有一预设夹角1034，该预设夹角1034可以在80°-100°之间，优选的，该预设夹角为90°。该第二延伸部1033位于背光模组102之上。该第二延伸部1033可以用于支撑显示面板104。需要说明的是，该支撑结构103的第二延伸部1032与背光盒101的侧壁1012之间具有第一缝隙40。
在一些实施例中，可以分别在支撑结构103和侧壁1012上设置一卡扣结构，支撑结构103和侧壁1012通过卡扣结构卡接固定。还可以在支撑结构103和侧壁1012之间增加固定胶带，支撑结构103和侧壁1012通过固定胶带固定连接。
需要说明的是，由于增亮膜片1023在对光线进行增强工作时会膨胀，为了防止增亮膜片1023膨胀过程中受到支撑结构103的第二延伸部1033或背光盒101的侧壁1012的挤压导致损坏。因此，需要在背光模组102与背光盒101的侧壁1012、支撑结构103的第二延伸部1033之间需要预留一缓冲空间。具体的，可以在背光模组102与背光盒101的侧壁1012、支撑结构103的第二延伸部1033之间设置一缝隙1014作为缓冲空间。
显示面板104可以设置于支撑结构103上。显示面板104可以用于显示图像。在一些实施例中，该显示面板104可以通过一固定胶带与支撑结构103固定连接。其中，显示面板104与支撑结构103的主体部1031之间具有第二缝隙50。
请参阅图3，该显示面板104可以包括从下往上依次层叠的下偏光片1041、薄膜晶体管1042、彩膜基板1043和上偏光片1044。
为了避免外界的水汽和灰尘等进入显示组件10内，可以设置一柔性盖板20。该柔性盖板20可以包覆在显示组件10上，以覆盖显示组件10上的缝隙，防止外界的水汽和灰尘等进入显示组件10。
如图4所示，该柔性盖板20可以包括硬化层21、基材层22和胶层23。基材层22设置于硬化层21和胶层23之间。硬化层21具有防刮耐磨的作用，可以起到对基材层22的保护作用。基材层22可以采用透明聚酰亚胺(PI)材料制成，PI材料耐高温性能较好，有利于使用溅镀或蒸镀制作硬化层21。胶层23主要用于将该柔性盖板20粘结固定于显示组件10。该柔性盖板20可以通过胶层23与显示组件10贴合。需要说明的是，硬化层21、基材层22和胶层23均为透明材质，即该柔性盖板20是透明的。
该柔性盖板20包覆显示组件10设置，且密封背光盒101与支撑结构103之间的第一间隙40、以及支撑结构103与显示面板104之间的第二缝隙50。柔性盖板20可以包括与所述支撑结构103一侧对应设置的第一部分201、与所述显示面板104对应设置的第二部分202、与所述背光盒101底壁1011对应设置的第三部分203和与所述支撑结构103另一侧对应设置的第四部分204。第一部分201连接于第二部分202和第三部分203之间。第四部分204连接于第二部分202和第三部分203之间。可以理解的是，由于该柔性盖板20是透明的，因此，该柔性盖板20的第二部分202可以透明导光，显示面板104可以通过该第二部分20进行显示。
其中，该柔性盖板20的第三部分203可以包括第一子部分2031和第二子部分2032，第一子部分2031和第二子部分2032可以直接相连。在一些实施例中，请参阅图5，为了材料成本，可以在第一子部分2031和第二子部分2032之间预留一空隙30，缩短第一子部分2031和第二子部分2032的长度。需要说明的是，第一子部分2031和第二子部分2032需覆盖支撑结构103的第一延伸部1031与背光盒101的底壁1011之间的第一间隙40。可以理解的是，第一子部分2031与第一部分201连接，第二子部分2032与第四部分204连接。
该第一部分201贴合第一延伸部1032远离侧壁1012的一侧以及主体部1031远离侧壁1012的一侧。该第二部分202贴合主体部1031远离第二延伸部1033的一侧以及显示面板104远离背光模组102的一侧。该第三部分203贴合底壁1011远离背光模组102的一侧，即是第一子部分2031和第二子部分2031贴合背光盒101的底壁1011远离背光模组102的一侧。该第四部分204贴合第一延伸部1032远离侧壁1012的一侧以及主体部1031远离侧壁1012的一侧。
本申请实施例提供的显示模组1，通过使用柔性盖板20包覆显示组件10，从而密封了背光盒101与支撑结构103之间的第一间隙40、以及支撑结构103与显示面板104之间的第二缝隙50，隔绝了外界的水汽和灰尘等进入显示组件10的内部，从而提高了显示模组1的防尘、防水等能力，进而提高了显示模组1的可靠性。
在上述实施例中，对各个实施例的描述都各有侧重，某个实施例中没有详述的部分，可以参见其他实施例的相关描述。
以上对本申请实施例所提供的一种显示模组进行了详细介绍，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，以上实施例的说明只是用于帮助理解本申请的技术方案及其核心思想；本领域的普通技术人员应当理解：其依然可以对前述各实施例所记载的技术方案进行修改，或者对其中部分技术特征进行等同替换；而这些修改或者替换，并不使相应技术方案的本质脱离本申请各实施例的技术方案的范围。

Claims (18)

  1. 一种显示模组，其包括：显示组件和柔性盖板；
    所述显示组件包括：
    背光盒，所述背光盒包括底壁和侧壁，所述底壁和侧壁围设成一收容空间；
    背光模组，所述背光模组收容于所述收容空间内；
    支撑结构，所述支撑结构位于所述背光盒的侧壁上；以及
    显示面板，所述显示面板设置于所述支撑结构上；
    所述柔性盖板包覆所述显示组件设置，且密封所述背光盒与所述支撑结构之间的第一间隙、所述支撑结构与所述显示面板之间的第二间隙。
  2. 如权利要求1所述的显示模组，其中，所述柔性盖板包括：与所述支撑结构一侧对应设置的第一部分、与所述显示面板对应设置的第二部分、与所述背光盒底壁对应设置的第三部分和与所述支撑结构另一侧对应设置的第四部分；
    其中，所述第一部分分别与所述第二部分和第三部分连接，所述第四部分分别与所述第二部分和第三部分连接。
  3. 如权利要求1所述的显示模组，其中，所述柔性盖板包括硬化层、基材层和胶层；
    所述基材层设置于所述硬化层和所述胶层之间。
  4. 如权利要求3所述的显示模组，其中，所述柔性盖板通过所述胶层与所述显示组件贴合。
  5. 如权利要求3所述的显示模组，其中，所述硬化层、所述基材层和所述胶层均为透明材质。
  6. 如权利要求3所述的显示模组，其中，所述基材层的材料为聚酰亚胺。
  7. 如权利要求2所述的显示模组，其中，所述支撑结构包括主体部、第一延伸部和第二延伸部；所述主体部设置于所述侧壁之上；所述第一延伸部设置于所述主体部靠近所述侧壁的一侧，且朝所述底壁的方向延伸，所述第一延伸部位于所述侧壁远离所述收容空间的一侧；所述第二延伸部设置于所述主体部靠近所述侧壁的一侧，所述第二延伸部的延伸方向与所述第一延伸部的延伸方向具有一预设夹角，所述第二延伸部位于所述背光模组之上。
  8. 如权利要求7所述的显示模组，其中，所述第一部分贴合所述第一延伸部远离所述侧壁的一侧以及所述主体部远离所述侧壁的一侧。
  9. 如权利要求7所述的显示模组，其中，所述第二部分贴合所述主体部远离所述第二延伸部的一侧和所述显示面板远离所述背光模组的一侧。
  10. 如权利要求7所述的显示模组，其中，所述第三部分包括第一子部分和第二子部分；
    所述第一子部分与所述第一部分连接，所述第二子部分与所述第四部分连接，所述第一子部分和所述第二子部分贴合所述底壁远离所述背光模组的一侧。
  11. 如权利要求10所述的显示模组，其中，所述第一子部分与所述第二子部分连接。
  12. 如权利要求10所述的显示模组，其中，所述第一子部分与所述第二子部分之间具有空隙。
  13. 如权利要求7所述的显示模组，其中，所述第四部分贴合所述第一延伸部远离所述侧壁的一侧以及所述主体部远离所述侧壁的一侧。
  14. 如权利要求7所述的显示模组，其中，在所述背光模组与所述侧壁、所述第二延伸部之间具有一缝隙。
  15. 如权利要求1所述的显示模组，其中，所述背光模组包括从下往上依次层叠的反射片、导光板和增亮膜片。
  16. 如权利要求15所述的显示模组，其中，所述增亮膜片包括从下往上依次层叠的下扩散片、下增光片、上增光片和上扩散片。
  17. 如权利要求1所述的显示模组，其中，所述显示面板包括从下往上依次层叠的下偏光片、薄膜晶体管、彩膜基板和上偏光片。
  18. 一种显示模组，其包括：显示组件和柔性盖板；
    所述显示组件包括：
    背光盒，所述背光盒包括底壁和侧壁，所述底壁和侧壁围设成一收容空间；
    背光模组，所述背光模组收容于所述收容空间内；
    支撑结构，所述支撑结构位于所述背光盒的侧壁上；以及
    显示面板，所述显示面板设置于所述支撑结构上；
    所述柔性盖板包覆所述显示组件设置，且密封所述背光盒与所述支撑结构之间的第一间隙、所述支撑结构与所述显示面板之间的第二间隙，所述柔性盖板包括与所述支撑结构一侧对应设置的第一部分、与所述显示面板对应设置的第二部分、与所述背光盒底壁对应设置的第三部分和与所述支撑结构另一侧对应设置的第四部分，其中，所述第一部分分别与所述第二部分和第三部分连接，所述第四部分分别与所述第二部分和第三部分连接。
PCT/CN2019/108422 2019-05-30 2019-09-27 显示模组 WO2020237947A1 (zh)

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