WO2017084425A1 - 显示模组及其制造方法 - Google Patents

显示模组及其制造方法 Download PDF

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Publication number
WO2017084425A1
WO2017084425A1 PCT/CN2016/098805 CN2016098805W WO2017084425A1 WO 2017084425 A1 WO2017084425 A1 WO 2017084425A1 CN 2016098805 W CN2016098805 W CN 2016098805W WO 2017084425 A1 WO2017084425 A1 WO 2017084425A1
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WO
WIPO (PCT)
Prior art keywords
light guide
display module
backlight source
optical film
guide plate
Prior art date
Application number
PCT/CN2016/098805
Other languages
English (en)
French (fr)
Inventor
余亚军
曹谦
苏文华
姚键
潘柏宇
王冀
Original Assignee
合一智能科技（深圳）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 合一智能科技（深圳）有限公司 filed Critical 合一智能科技（深圳）有限公司
Priority to US15/738,383 priority Critical patent/US20180192525A1/en
Publication of WO2017084425A1 publication Critical patent/WO2017084425A1/zh

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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
    • 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
    • H05K5/0017—Casings, cabinets or drawers for electric apparatus with operator interface units
    • 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
    • G02B6/0086—Positioning aspects
    • G02B6/0088—Positioning aspects of the light guide or other optical sheets in the package
    • 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
    • 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
    • H05K5/0247—Electrical details of casings, e.g. terminals, passages for cables or wiring
    • 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
    • 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
    • G02B6/0055—Reflecting element, sheet or layer
    • 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
    • G02B6/0065—Manufacturing aspects; Material aspects
    • 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
    • G02B6/0083—Details of electrical connections of light sources to drivers, circuit boards, or the like
    • 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
    • G02B6/0086—Positioning aspects
    • G02B6/009—Positioning aspects of the light source in the package
    • 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
    • G02F1/133314—Back frames
    • 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
    • G02F1/133322—Mechanical guidance or alignment of LCD panel support components
    • 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
    • G02F1/133325—Assembling processes

Definitions

  • the present invention relates to the field of displays, and in particular, to a display module and a method of fabricating the same.
  • the backlight module includes: a front frame, a display panel, an optical component, a plastic middle frame, a metal back plate, a PCB (Printed Circuit Board) cover, and the like.
  • the optical member may include an LGP (Light Guide Plate) and a reflective sheet.
  • the disadvantages of the conventional backlight module or display module are that the module has many components, the supply chain and the control are laborious; the module has too much material, and the manufacturing process is expensive; the material is too much, and the assembly is basically manual, time-consuming, manual and manual. The material cost is high.
  • the technical problem to be solved by the present invention is how to reduce the assembly materials of the display module, and provide a display module that is easy to assemble and a manufacturing method thereof.
  • the present invention provides a method for manufacturing a display module, including:
  • the back cover comprising the receiving cavity composed of a bottom plate and a side plate;
  • a display panel is disposed above the optical film, and the display panel is fixedly coupled to the side plate.
  • setting a backlight source above the reflective sheet includes:
  • the backlight source is disposed in a cavity portion between the side plate and the bottom plate, and an inner surface of the side plate is provided with a protrusion protruding toward an inner portion of the receiving cavity, the protrusion portion and the The cavity portion is formed between the bottom plates.
  • the two inner surfaces of the side plates are oppositely disposed with the protrusions.
  • connecting the light guide plate to the side panel includes:
  • At least one side of the light guide plate is snapped into the cavity portion.
  • connecting the optical film to the side panel comprises:
  • the optical film is sleeved on the film hanger on the protrusion, and the lower surface of the optical film is in contact with the upper surface of the light guide.
  • the display panel and the side panel Fixed connections including:
  • the display panel is attached to an inner surface of the side panel and an upper surface of the protrusion.
  • the present invention further provides a display module, including:
  • a rear cover comprising a receiving cavity composed of a bottom plate and side plates;
  • a reflective sheet located on an upper surface of the back cover
  • a backlight source located above the reflective sheet and connected to the side panel;
  • a light guide plate located above the reflective sheet and the backlight source and connected to the side panel;
  • An optical film positioned above the light guide plate and connected to the side plate;
  • the reflective sheet, the backlight source, the light guide plate and the optical film are located in the receiving cavity.
  • the inner surface of the side plate is provided with a protrusion protruding toward the inner portion of the receiving cavity, and a concave portion is formed between the protruding portion and the bottom plate.
  • the cavity portion, the backlight source and the light guide plate are disposed in the cavity portion.
  • the two inner surfaces of the side plates are oppositely disposed with the protrusions.
  • a recess for accommodating the electrical connection terminal of the backlight source is disposed on the bottom plate adjacent to the cavity portion.
  • a plurality of diaphragm mounting ears are disposed on the protrusion, and the optical film is sleeved on the diaphragm mounting ear, the optical film The lower surface is in contact with the upper surface of the light guide plate.
  • the display panel is pasted on an inner surface of the side panel and an upper surface of the protrusion.
  • the back panel, the plastic middle frame and the front frame of the display module of the conventional television and the like can be replaced. It can be replaced with a front cover, without the front frame and the middle frame.
  • the rear cover can directly assemble the layers of the display module, which can greatly reduce the key materials of the module or the display module, and is beneficial to reduce the display module. Weight, reduce supply chain, and can save more material cost; multiple key materials combined into one back cover, making the cost lower; the simplified design of the back cover structure can save more assembly workers and save man-hours Moreover, it can also eliminate the poor matching between materials, make the assembly precision higher, and the yield of the whole production is greatly improved.
  • FIG. 1 is a schematic structural view of a conventional display module
  • FIG. 2 is a flow chart showing a method of fabricating a display module in accordance with an embodiment of the present invention
  • 3a and 3b are partial enlarged structural views of a display module according to an embodiment of the invention.
  • FIG. 4 is a schematic view showing a light guide plate disposed in a display module according to an embodiment of the invention.
  • FIG. 5 is a schematic diagram showing a backlight source disposed in a display module according to an embodiment of the invention.
  • FIG. 6 is a schematic view showing a diaphragm mounting ear in a back cover of a backlight module according to an embodiment of the invention
  • FIG. 7 is a schematic diagram showing a hierarchical structure of a display module according to an embodiment of the invention.
  • FIG. 8 is a structural schematic view showing a groove provided on a back cover of a display module according to an embodiment of the invention.
  • Light guide plate 71 Reflector.
  • FIG. 2 shows a flow chart of a method of fabricating a display module in accordance with an embodiment of the present invention. As shown in FIG. 2, and referring to FIG. 3a to FIG. 9, the manufacturing method of the display module can mainly include the following steps:
  • Step 201 a reflection sheet 71 is laid in the housing cavity 11 of the back cover 1.
  • the rear cover 1 includes the accommodating cavity 11 composed of a bottom plate 2 and side plates 3.
  • the back cover 1 is formed of a plastic material.
  • the back cover 1 can be formed of cast aluminum or cast magnesium, which has the advantages of high strength and light weight.
  • the material of the back cover 1 of the present invention is not limited thereto, and the material of the back cover 1 of the present invention may include, but is not limited to, aluminum.
  • Metal materials such as alloys, cast aluminum, and cast magnesium include, but are not limited to, polymer materials such as plastic resins.
  • the respective components of the back cover 1 can be integrally formed by an integral molding process.
  • the integral molding process may include, but is not limited to, stamping, molding, integral casting, injection molding, hot pressing and the like according to different materials.
  • the back cover 1 of the present invention can also be manufactured separately according to the design, and various components such as the bottom plate 2, the side plates 3, the protrusions 4, and the like can be used as needed, including but not limited to bonding, welding, riveting, and splicing. Connect by other means.
  • Step 202 A backlight source 6 is disposed above the reflective sheet 71, and the backlight source is fixed to an inner surface of the side panel 3.
  • the backlight source 6 may be disposed in the cavity portion 5 between the side plate 3 and the bottom plate 2, and the inner surface of the side plate 3 is provided.
  • the protrusions 4 may be provided on the opposite inner surfaces of the side plates 2, so that when the light guide plate 7 is mounted, the light guide plate 7 can be inserted into the protrusions 4 by the bendability of the light guide plate 7.
  • the light guide plate 7 is fixed in the lower cavity portion 5.
  • the backlight source 6 is preferably a light bar made of an LED (Light Emitting Diode).
  • LED Light Emitting Diode
  • the backlight source 6 includes, but is not limited to, a flat fluorescent lamp, a bulb, a light bar made of LED, a linear light source made of a cold cathode fluorescent tube, and a strip-shaped EL (electroluminescent device).
  • OELD Organic Electroluminescent Diodes
  • Any illumination device capable of functioning as a backlight source for a backlight module can be applied to the present invention.
  • the backlight source 6 of the present invention may also be composed of various combinations of the above-described light sources.
  • Step 203 laying above the reflective sheet 71 and located at a side of the backlight source 6 A light guide plate 7 is provided, and the light guide plate 7 is connected to the side plate 3.
  • At least one side of the light guide plate 7 can be engaged in the cavity portion 5.
  • the back cover 1 is exemplified by a rectangular structure, the rectangular back cover has four side plates 3 and a bottom plate 2, and a backlight portion 5 formed in one of the side plates 3 and the bottom plate 2 can accommodate a backlight source. 6.
  • the backlight source 6 and the light guide plate 7 may be on the same side.
  • the side on which the backlight source 6 is housed is the light incident side, and the light guide plate 7 may be fixed in the cavity portion 5 formed by the side plate and the bottom plate on the side opposite to the light incident side.
  • the cavity portion 5 has a function of pressing and holding pressure on the light guide plate 7, and at least one side of the light guide plate 7 can be engaged in the cavity portion 5 to prevent the light guide plate 7 from being lifted up.
  • the backlight source 6 is disposed in the cavity portion 5 formed by one of the four side plates of the back cover 1 and the bottom plate, those skilled in the art can understand that the backlight source 6 can also be disposed on the back cover 1 Two, three or all of the four side panels are formed in the cavity portion 5 formed by the bottom plate.
  • the backlight source 6 can occupy the cavity portion 5 formed by one side plate and the bottom plate of the back cover 1 according to the needs of the application, and can also occupy the cavity portion 5 formed by the plurality of side plates and the bottom plate of the back cover 1 or It occupies only a part of the cavity portion 5 formed by one or more side plates of the back cover 1 and the bottom plate.
  • Step 204 laying an optical film 13 above the light guide plate 7, and connecting the optical film 13 to the side plate 3.
  • the optical film 13 can be sleeved on the film mounting lug 10 on the protrusion, and the lower surface of the optical film 13 is The upper surface of the light guide plate 7 is in contact.
  • a plurality of diaphragm mounting ears 10 may be disposed on the protrusions 4 for positioning and fixing the optical film 13 so that the optical film 13 located above the light guiding plate can be sleeved in the
  • the diaphragm is placed on the ear 10 .
  • a groove can be formed in the projection 4 and a raised diaphragm lug 10 can be provided in the groove.
  • the depth of the groove can be determined according to the thickness of the optical film 13, and it is preferable that the optical film 13 is just attached to the upper surface of the light guide plate 7 when the optical film 13 is sleeved on the film hanger 10.
  • FIG. 6 The structure of the diaphragm hanger 10 is only an example, and instead of not grooving the protrusion 4, a protruding diaphragm lug 10 is provided on the second step side 42 of the protrusion 4, or another The structure is used to realize the connection of the optical film 13 to the protrusion 4.
  • Step 205 providing a display panel 12 above the optical film 13, and fixedly connecting the display panel 12 to the side plate 3.
  • the display panel 12 can be attached to the inner surface of the side panel 3 and the upper surface of the protrusion 4.
  • an adhesive may be applied to the inner surface of the side panel 3 and the upper surface of the protrusion 4, the display panel is overlaid on the optical film 13, and the display panel 12 is pasted on the side panel 2 by an adhesive.
  • the inner surface and the upper surface of the protrusion are such that the display panel 12 is fixedly coupled to the side panel 3 of the backlight module.
  • the inner surface of the side plate 2 not provided with the protrusion 4 may be formed with a stepped structure on the step structure The surface is flush with the upper surface of the protrusion, such that the inner surface of the side panel 2, the upper surface of the step structure and the upper surface of the protrusion can function to position and limit the display panel 12.
  • an adhesive may be applied to the inner surface of the side panel 2, the upper surface of the stepped structure, and the upper surface of the protrusion, the display panel is overlaid on the optical film 13, and is displayed by the adhesive The panel is adhered to the inner surface of the side panel 2, the upper surface of the step structure and the upper surface of the protrusion, so that the display panel is fixedly connected to the side panel 3 of the backlight module.
  • the upper surface of the side panel 2 may be a curved surface, so that smooth transition from the edge of the display panel to the side panel 2 may be achieved.
  • the upper surface of the side panel 2 may also be a flat surface.
  • the side plate 3 corresponds to a three-step structure in which the first step front surface 31 is located on the upper surface of the side plate 3, and the first step side surface 32 is located in the upper portion of the side plate 3.
  • the surface, the second step front surface 41 is coplanar with the upper surface of the protrusion 4 (the upper surface of the protrusion 4 can be regarded as a part of the second step front surface 41), and the second step side surface 42 is perpendicular to the second step front surface 41.
  • the lower surface of the upper portion corresponds to the front surface of the third step.
  • the display panel can be attached to the first step side surface 32 and the second step front surface 41.
  • the back panel, the plastic middle frame, and the front frame of the display module of the conventional television can be replaced with the back cover, and the front frame and the middle frame are not needed, and the display can be directly displayed through the back cover.
  • the assembly of each layer of the module can greatly reduce the key materials of the module or the display module, which can reduce the weight of the display module, reduce the supply chain, and save more material cost;
  • the integrated back cover makes the cost lower;
  • the simplified design of the back cover structure can save more assembly workers and save man-hours, and can also eliminate the poor matching between materials, so that the assembly precision is higher and the whole The yield of production has been greatly improved.
  • the display module can mainly include a back cover 1 including a receiving cavity 11 composed of a bottom plate 2 and a side plate 3, and a reflection sheet 71 located on the rear cover 1.
  • An optical film 13 is disposed above the light guide plate 7 and connected to the side plate 3; a display panel 12 is fixedly connected to the side plate 3 above the optical film 13;
  • the reflection sheet, the backlight source 6, the light guide plate 7, and the optical film 13 are located in the housing cavity.
  • the inner surface of the side plate 3 is provided with a protrusion 4 protruding toward the inside of the receiving cavity 11 , the protrusion 4 and the bottom plate A cavity portion 5 is formed between the two, and the backlight source 6 and the light guide plate 7 are disposed in the cavity portion 5.
  • a recess 8 for accommodating the electrical connection terminals of the backlight source 6 is disposed on the bottom plate 2 adjacent to the cavity portion 5.
  • a groove 8 for accommodating the electrical connection terminal 9 of the backlight source 6 may be provided, and the number of the grooves 8 may be one or more , you can place all the terminals in In one groove, a groove may also be provided for each of the plurality of terminals.
  • the electrical connection terminal 9 can be connected to an external power source (not shown) to supply power to the backlight source 6.
  • the power supply wiring (not shown) of the backlight source 6 is usually thin, in the present embodiment, about 0.1 mm, and the power supply wiring can be attached to the inner surface of the rear cover 1. In this way, the power wiring of the entire backlight module or the display module is more beautiful and safer.
  • a plurality of diaphragm mounting ears 10 are disposed on the protrusions 4, and the optical film 13 is sleeved on the diaphragm mounting ears 10, the optical The lower surface of the diaphragm 13 is in contact with the upper surface of the light guide plate 7.
  • the display panel 12 is attached to the inner surface of the side panel 3 and the upper surface of the protrusion 4.
  • the display panel 12 is attached to the inner surface of the side panel 3 and the upper surface of the protrusion 4.
  • the display module of the embodiment can replace the back panel, the plastic middle frame and the front frame of the display module of the conventional television with the back cover, and the front cover and the middle frame are not needed, and the display module can be directly passed through the back cover. Assembling into one, it can greatly reduce the key materials of the module or display module, which can reduce the weight of the display module, reduce the supply chain, and save more material cost; after multiple key materials are integrated into one
  • the cover makes the cost lower; the simplified design of the back cover structure can save more assembly workers and save man-hours, and can also eliminate the poor matching between materials, make the assembly precision higher, and the yield of the whole production. Greatly improved.
  • the structure of the display module can be made more compact, which is advantageous for assembling a lighter and thinner display module.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Optics & Photonics (AREA)
  • Nonlinear Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Theoretical Computer Science (AREA)
  • Planar Illumination Modules (AREA)
  • Manufacturing & Machinery (AREA)

Abstract

一种显示模组及其制造方法，该显示模组的制造方法包括：在后盖(1)的容纳腔体(11)内铺设反射片(71)(201)，所述后盖(1)包括由底板(2)和侧板(3)组成的所述容纳腔体(11)；在所述反射片(71)的上方设置背光光源(6)，并将所述背光光源(6)固定于所述侧板(3)的内表面(202)；在所述反射片(71)的上方且位于所述背光光源(6)的侧方的位置铺设导光板(7)，并将所述导光板(7)与所述侧板(3)连接(203)；在所述导光板(7)的上方铺设光学膜片(13)，并将所述光学膜片(13)与所述侧板(3)连接(204)；以及在所述光学膜片(13)的上方设置显示面板(12)，并将所述显示面板(12)与所述侧板(3)固定连接(205)。该显示模组及方法将传统显示模组的背板、塑胶中框、前框替换为后盖(1)，直接通过后盖(1)就能够将显示模组各层的组装为一体，有利于减轻显示模组的重量，缩减供应链，节省材料成本。

Description

显示模组及其制造方法
交叉引用
本申请主张2015年11月19日提交的中国专利申请号为201510802211.1的优先权，其全部内容通过引用包含于此。
技术领域
本发明涉及显示器领域，尤其涉及一种显示模组及其制造方法。
背景技术
传统背光模组或显示模组的结构非常复杂。如图1所示，背光模组包括：前框、显示面板、光学部材、塑胶中框、金属背板、PCB(Printed Circuit Board，印刷电路板)盖子等。其中，光学部材可以包括LGP(Light Guide Plate，导光片)和反射片。上述的每个部件需要人工一件一件的组装到一起，比如前框和背板都需要螺丝锁到一起。
因此，传统背光模组或显示模组的缺点是模组的组件特别多，供应链及管控费劲；模组物料太多，制造加工成本昂贵；物料太多，基本靠人工组装，费时，人工和材料成本高。
发明内容
技术问题
有鉴于此，本发明要解决的技术问题是，如何减少显示模组的组装物料，提供一种方便组装的显示模组及其制造方法。
解决方案
为了解决上述技术问题，本发明提供一种显示模组的制造方法，包括：
在后盖的容纳腔体内铺设反射片，所述后盖包括由底板和侧板组成的所述容纳腔体；
在所述反射片的上方设置背光光源，并将所述背光光源固定于所述侧板的内表面；
在所述反射片的上方且位于所述背光光源的侧方的位置铺设导光板，并将所述导光板与所述侧板连接；
在所述导光板的上方铺设光学膜片，并将所述光学膜片与所述侧板连接；以及
在所述光学膜片的上方设置显示面板，并将所述显示面板与所述侧板固定连接。
对于上述方法，在一种可能的实现方式中，在所述反射片上方设置背光光源，包括：
将所述背光光源设置于所述侧板与所述底板之间的凹腔部内，所述侧板的内表面设有朝向所述容纳腔体的内部突出的突起部，所述突起部与所述底板之间形成有所述凹腔部。
对于上述方法，在一种可能的实现方式中，所述侧板的位置相对的两个内表面设有所述突起部。
对于上述方法，在一种可能的实现方式中，将所述导光板与所述侧板连接，包括：
将所述导光板的至少一侧卡接在所述凹腔部内。
对于上述方法，在一种可能的实现方式中，将所述光学膜片与所述侧板连接，包括：
将所述光学膜片套接在所述突起部上的膜片挂耳上，并使得所述光学膜片的下表面与所述导光板的上表面接触。
对于上述方法，在一种可能的实现方式中，将所述显示面板与所述侧板 固定连接，包括：
将所述显示面板粘贴在所述侧板的内表面和所述突起部的上表面。
为了解决上述技术问题，本发明还提供一种显示模组，包括：
后盖，其包括由底板和侧板组成的容纳腔体；
反射片，其位于所述后盖的上表面；
背光光源，其位于所述反射片的上方并与所述侧板连接；
导光板，其位于所述反射片和所述背光光源的上方并与所述侧板连接；
光学膜片，其位于所述导光板的上方并与所述侧板连接；
显示面板，其位于所述光学膜片的上方与所述侧板固定连接；
其中，所述反射片、所述背光光源、所述导光板和所述光学膜片位于所述容纳腔体内。
对于上述显示模组，在一种可能的实现方式中，所述侧板的内表面设有朝向所述容纳腔体的内部突出的突起部，所述突起部与所述底板之间形成有凹腔部，所述背光光源与所述导光板设置于所述凹腔部内。
对于上述显示模组，在一种可能的实现方式中，所述侧板的位置相对的两个内表面设有所述突起部。
对于上述显示模组，在一种可能的实现方式中，在靠近所述凹腔部的所述底板上设置有用来容纳所述背光光源的电连接端子的凹槽。
对于上述显示模组，在一种可能的实现方式中，在所述突起部上设置多个膜片挂耳，所述光学膜片套接在所述膜片挂耳上，所述光学膜片的下表面与所述导光板的上表面接触。
对于上述显示模组，在一种可能的实现方式中，所述显示面板粘贴在所述侧板的内表面和所述突起部的上表面。
有益效果
通过本发明，可以将传统电视等的显示模组的背板、塑胶中框、前框替 换为后盖，无需前框和中框，直接通过后盖就能够将显示模组各层的组装为一体，可以大幅度减少模组或显示模组的关键物料，有利于减轻显示模组的重量，缩减供应链，而且可以节省较多的材料成本；多个关键物料合为一体的后盖，使得成本更低；该简化设计的后盖结构，可以节省较多的组装工人力，节省工时，而且还可以消除物料之间的匹配性不良，使组装精度更高、整个生产的良品率得到大大提高。
根据下面参考附图对示例性实施例的详细说明，本发明的其它特征及方面将变得清楚。
附图说明
包含在说明书中并且构成说明书的一部分的附图与说明书一起示出了本发明的示例性实施例、特征和方面，并且用于解释本发明的原理。
图1示出传统显示模组的结构示意图；
图2示出根据本发明一实施例的显示模组的制造方法的流程图；
图3a和图3b示出根据本发明一实施例的显示模组的局部放大结构示意图；
图4示出根据本发明一实施例的显示模组中设置导光板的示意图；
图5示出根据本发明一实施例的显示模组中设置背光光源的示意图；
图6示出根据本发明一实施例的背光模组后盖中设置膜片挂耳的示意图；
图7示出根据本发明一实施例的显示模组的分层结构示意图；
图8示出根据本发明一实施例的显示模组中后盖上设置的凹槽的结构示意图。
附图标记列表
1：后盖；            2：底板；             3：侧板；
4：突起部；          5：凹腔部；           6：背光光源；
8：凹槽；            9：电连接端子；       10：膜片挂耳；
11：容纳腔体；       13：光学膜片；        31：第一台阶正面；
32：第一台阶侧面；   41：第二台阶正面；    42：第二台阶侧面；
7：导光板            71：反射板。
具体实施方式
以下将参考附图详细说明本发明的各种示例性实施例、特征和方面。附图中相同的附图标记表示功能相同或相似的元件。尽管在附图中示出了实施例的各种方面，但是除非特别指出，不必按比例绘制附图。
在这里专用的词“示例性”意为“用作例子、实施例或说明性”。这里作为“示例性”所说明的任何实施例不必解释为优于或好于其它实施例。
另外，为了更好的说明本发明，在下文的具体实施方式中给出了众多的具体细节。本领域技术人员应当理解，没有某些具体细节，本发明同样可以实施。在一些实例中，对于本领域技术人员熟知的方法、手段、元件和电路未作详细描述，以便于凸显本发明的主旨。
实施例1
图2示出根据本发明一实施例的显示模组的制造方法的流程图。如图2所示，并参见图3a至图9，该显示模组的制造方法主要可以包括以下步骤：
步骤201、在后盖1的容纳腔体11内铺设反射片71。如图3a至图7所示，所述后盖1包括由底板2和侧板3组成的所述容纳腔体11。
具体地，底板2的上表面可以贴附反射片71，反射片71的大小可以根据出光区域的大小来设定。优选地，后盖1由可塑性材料形成。在本实施例中，后盖1可以由铸铝或铸镁形成，其具有强度大、重量轻的有益效果。然而，本发明的后盖1的材料不限于此，本发明的后盖1的材料可以包括但不限于铝 合金、铸铝、铸镁等金属材料，也包括但不限于可塑性树脂等高分子材料。在本实施例中，后盖1的各个组成部分可以采用一体成型工艺一体制成。其中，一体成型工艺根据材料的不同，可以选择包括但不限于冲压、模压、一体铸造、注塑、热压等加工工艺。
当然，本发明的后盖1也可以根据设计的不同采用分体制造，各个部件例如底板2、侧板3、突起部4等可以根据需要采用包括但不限于粘结、焊接、铆接、榫接等方式连接。
步骤202、在所述反射片71的上方设置背光光源6，并将所述背光光源固定于所述侧板3的内表面。
在一种可能的实现方式中，参见图5，可以将所述背光光源6设置于所述侧板3与所述底板2之间的凹腔部5内，所述侧板3的内表面设有朝向所述容纳腔体11的内部突出的突起部4，所述突起部4与所述底板2之间形成有所述凹腔部5。优选地，可以在侧板2的位置相对的两个内表面设置突起部4，这样在安装导光板7时，可以利用导光板7的可弯曲性能，将导光板7插设到突起部4之下的凹腔部5内，以固定导光板7。当然，也可以在侧板的三个或四个内表面设置所述突起部，这种情况下，最好将侧板的一个面设置为可拆卸结构，以方便组装。
在本发明实施例中，背光光源6优选采用LED(Light Emitting Diode，发光二极管)制成的灯条。本领域技术人员可以理解，所述背光光源6包括但不限于扁平荧光灯、灯泡、LED制成的灯条、冷阴极荧光管制成的线状光源、条状的EL(electroluminescent，电致发光器件)、OELD(Organic Electroluminescent Diodes，有机电致发光器件)等。任何能够作为背光模组的背光光源的照明设备，都可以适用在本发明中。本发明的背光光源6还可以由上述光源的多种组合构成。
步骤203、在所述反射片71的上方且位于所述背光光源6的侧方的位置铺 设导光板7，并将所述导光板7与所述侧板3连接。
在一种可能的实现方式中，参见图5，可以将所述导光板7的至少一侧卡接在所述凹腔部5内。
在本实施例中，在后盖1的示例为矩形结构，矩形后盖有四个侧板3和一个底板2，在其中一个侧板3与底板2形成的凹腔部5内可以容纳背光光源6，如图5所示，背光光源6和导光板7可以在同一侧。此外，以容纳背光光源6的一侧为入光侧，也可以在与入光侧相对侧的侧板与底板形成的凹腔部5内，固定导光板7。该凹腔部5对导光板7具有按压和藏压的作用，可以将导光板7的至少一侧卡接在所述凹腔部5内，以防止导光板7翘起。
虽然在本实施例中，背光光源6设置在后盖1的四个侧板之一与底板形成的凹腔部5内，但是本领域技术人员可以理解，背光光源6也可以设置在后盖1的四个侧板之中的两个、三个或全部侧板与底板形成的凹腔部5内。根据应用的需要，背光光源6可以占满后盖1的一个侧板与底板形成的凹腔部5，也可以占满后盖1的多个侧板与底板形成的凹腔部5，也可以只占后盖1的一个或多个侧板与底板形成的凹腔部5的一部分。
步骤204、在所述导光板7的上方铺设光学膜片13，并将所述光学膜片13与所述侧板3连接。
在一种可能的实现方式中，参见图6，可以将所述光学膜片13套接在所述突起部上的膜片挂耳10上，并使得所述光学膜片13的下表面与所述导光板7的上表面接触。
如图6所示，在突起部4上可以设置多个膜片挂耳10，用来定位和固定光学膜片13，以使得位于所述导光板上方的光学膜片13能够套接在所述膜片挂耳10上。例如，可以在突起部4上开槽，并在槽中设置凸起的膜片挂耳10。槽的深度可以根据光学膜片13的厚度来决定，优选为在将光学膜片13套接在膜片挂耳10上时，能够使得光学膜片13刚好贴附在导光板7的上表面。图6 中的膜片挂耳10结构仅是一种示例，也可以不在突起部4上开槽，而是在突起部4的第二台阶侧面42上设置突出的膜片挂耳10，或者采用别的结构来实现光学膜片13与突起部4的连接。
步骤205、在所述光学膜片13的上方设置显示面板12，并将所述显示面板12与所述侧板3固定连接。
在一种可能的实现方式中，参见图3a至图5，可以将所述显示面板12粘贴在所述侧板3的内表面和所述突起部4的上表面。具体而言，可以在侧板3的内表面和突起部4的上表面涂覆粘合剂，将显示面板覆盖在光学膜片13的上方，通过粘合剂将显示面板12粘贴在侧板2的内表面与突起部的上表面上，使得显示面板12与背光模组的侧板3固定连接。
更优选的，为了更好地支撑显示面板12以及防止灰尘进入，如图3a和图3b所示，侧板2的未设置所述突起部4的内表面可以形成有台阶结构，台阶结构的上表面与所述突起部的上表面处于同一平面，这样，侧板2的内表面、台阶结构的上表面与突起部的上表面可以起到对显示面板12进行定位和限位的作用。在组装时，可以在侧板2的内表面、台阶结构的上表面与突起部的上表面涂覆粘合剂，将显示面板覆盖在光学膜片13的上方，并且，通过粘合剂将显示面板粘贴在侧板2的内表面、台阶结构的上表面与突起部的上表面上，使得显示面板与背光模组的侧板3固定连接。
在一种可能的实现方式中，侧板2的上表面可以为曲面，这样从显示面板的边缘到侧板2可以实现平滑过度。
在一种可能的实现方式中，侧板2的上表面也可以为平面。这样，如图4至图6所示，侧板3上相当于具有三级台阶结构，其中，第一台阶正面31位于侧板3的上表面，第一台阶侧面32位于侧板3上部的内表面，第二台阶正面41与突起部4的上表面共面(突起部4的上表面可以看作是第二台阶正面41的一部分)，第二台阶侧面42则从第二台阶正面41垂直向下的延伸到底面或者突 起部的下表面，底面则相当于第三台阶正面。这种情况下，可以将显示面板粘贴在第一台阶侧面32以及第二台阶正面41上。
本实施例的显示模组的制造方法，可以将传统电视等的显示模组的背板、塑胶中框、前框替换为后盖，无需前框和中框，直接通过后盖就能够将显示模组各层的组装为一体，可以大幅度减少模组或显示模组的关键物料，有利于减轻显示模组的重量，缩减供应链，而且可以节省较多的材料成本；多个关键物料合为一体的后盖，使得成本更低；该简化设计的后盖结构，可以节省较多的组装工人力，节省工时，而且还可以消除物料之间的匹配性不良，使组装精度更高、整个生产的良品率得到大大提高。
实施例2
图3a和图3b示出根据本发明一实施例的显示模组的放大结构示意图。如图3a和图3b所示，该显示模组主要可以包括：后盖1，其包括由底板2和侧板3组成的容纳腔体11；反射片71，其位于所述后盖1的上表面；背光光源6，其位于所述反射片71的上方并与所述侧板3连接；导光板7，其位于所述反射片71和所述背光光源6的上方并与所述侧板3连接；光学膜片13，其位于所述导光板7的上方并与所述侧板3连接；显示面板12，其位于所述光学膜片13的上方与所述侧板3固定连接；其中，所述反射片、所述背光光源6、所述导光板7和所述光学膜片13位于所述容纳腔体内。
在一种可能的实现方式中，参见图3a至图5，所述侧板3的内表面设有朝向所述容纳腔体11的内部突出的突起部4，所述突起部4与所述底板2之间形成有凹腔部5，所述背光光源6与所述导光板7设置于所述凹腔部5内。
在一种可能的实现方式中，参见图8，在靠近所述凹腔部5的所述底板2上设置有用来容纳所述背光光源6的电连接端子的凹槽8。如图8所示，在靠近入光侧的凹腔部5的底板2上，可以设置有用来容纳背光光源6的电连接端子9的凹槽8，凹槽8的数量可以为一个或者多个，可以将所有端子均放置在 一个凹槽内，也可以为多个端子分别设置凹槽。该电连接端子9可以连接外部电源(图中未示出)，为背光光源6供电。此外，背光光源6的电源走线(图中未示出)通常很薄，在本实施例中，大约为0.1mm，该电源走线可以贴附在后盖1的内表面上。这样整个背光模组或显示模组的电源布线更美观、更安全。
在一种可能的实现方式中，参见图6，在所述突起部4上设置多个膜片挂耳10，所述光学膜片13套接在所述膜片挂耳10上，所述光学膜片13的下表面与所述导光板7的上表面接触。膜片挂耳10具体设置方式，可以参见图6以及上一实施例的相关描述。
在一种可能的实现方式中，参见图3a至图5，所述显示面板12粘贴在所述侧板3的内表面和所述突起部4的上表面。具体可以参见上述实施例的相关描述以及图3a和图3b。
本实施例的显示模组可以将传统电视等的显示模组的背板、塑胶中框、前框替换为后盖，无需前框和中框，直接通过后盖就能够将显示模组各层的组装为一体，可以大幅度减少模组或显示模组的关键物料，有利于减轻显示模组的重量，缩减供应链，而且可以节省较多的材料成本；多个关键物料合为一体的后盖，使得成本更低；该简化设计的后盖结构，可以节省较多的组装工人力，节省工时，而且还可以消除物料之间的匹配性不良，使组装精度更高、整个生产的良品率得到大大提高。此外，通过在底板上设置凹槽，可以使得显示模组的结构更为紧凑，有利于组装得到更轻更薄的显示模组。
以上所述，仅为本发明的具体实施方式，但本发明的保护范围并不局限于此，任何熟悉本技术领域的技术人员在本发明揭露的技术范围内，可轻易想到变化或替换，都应涵盖在本发明的保护范围之内。因此，本发明的保护范围应以所述权利要求的保护范围为准。

Claims (12)

  1. 一种显示模组的制造方法，其特征在于，包括：
    在后盖的容纳腔体内铺设反射片，所述后盖包括由底板和侧板组成的所述容纳腔体；
    在所述反射片的上方设置背光光源，并将所述背光光源固定于所述侧板的内表面；
    在所述反射片的上方且位于所述背光光源的侧方的位置铺设导光板，并将所述导光板与所述侧板连接；
    在所述导光板的上方铺设光学膜片，并将所述光学膜片与所述侧板连接；以及
    在所述光学膜片的上方设置显示面板，并将所述显示面板与所述侧板固定连接。
  2. 根据权利要求1所述的方法，其特征在于，在所述反射片上方设置背光光源，包括：
    将所述背光光源设置于所述侧板与所述底板之间的凹腔部内，所述侧板的内表面设有朝向所述容纳腔体的内部突出的突起部，所述突起部与所述底板之间形成有所述凹腔部。
  3. 根据权利要求2所述的方法，其特征在于，所述侧板的位置相对的两个内表面设有所述突起部。
  4. 根据权利要求2或3所述的方法，其特征在于，将所述导光板与所述侧板连接，包括：
    将所述导光板的至少一侧卡接在所述凹腔部内。
  5. 根据权利要求4所述的方法，其特征在于，将所述光学膜片与所述侧板连接，包括：
    将所述光学膜片套接在所述突起部上的膜片挂耳上，并使得所述光学膜片的下表面与所述导光板的上表面接触。
  6. 根据权利要求5所述的方法，其特征在于，将所述显示面板与所述侧板固定连接，包括：
    将所述显示面板粘贴在所述侧板的内表面和所述突起部的上表面。
  7. 一种显示模组，其特征在于，包括：
    后盖，其包括由底板和侧板组成的容纳腔体；
    反射片，其位于所述后盖的上表面；
    背光光源，其位于所述反射片的上方并与所述侧板连接；
    导光板，其位于所述反射片和所述背光光源的上方并与所述侧板连接；
    光学膜片，其位于所述导光板的上方并与所述侧板连接；
    显示面板，其位于所述光学膜片的上方与所述侧板固定连接；
    其中，所述反射片、所述背光光源、所述导光板和所述光学膜片位于所述容纳腔体内。
  8. 根据权利要求7所述的显示模组，其特征在于，所述侧板的内表面设有朝向所述容纳腔体的内部突出的突起部，所述突起部与所述底板之间形成有凹腔部，所述背光光源与所述导光板设置于所述凹腔部内。
  9. 根据权利要求8所述的显示模组，其特征在于，所述侧板的位置相对的两个内表面设有所述突起部。
  10. 根据权利要求8或9所述的显示模组，其特征在于，在靠近所述凹腔部的所述底板上设置有用来容纳所述背光光源的电连接端子的凹槽。
  11. 根据权利要求9所述的显示模组，其特征在于，在所述突起部上设置多个膜片挂耳，所述光学膜片套接在所述膜片挂耳上，所述光学膜片的下表面与所述导光板的上表面接触。
  12. 根据权利要求10所述的显示模组，其特征在于，所述显示面板粘贴在所述侧板的内表面和所述突起部的上表面。
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