WO2016086475A1 - 液晶显示模组及其加工方法 - Google Patents

液晶显示模组及其加工方法 Download PDF

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Publication number
WO2016086475A1
WO2016086475A1 PCT/CN2014/094885 CN2014094885W WO2016086475A1 WO 2016086475 A1 WO2016086475 A1 WO 2016086475A1 CN 2014094885 W CN2014094885 W CN 2014094885W WO 2016086475 A1 WO2016086475 A1 WO 2016086475A1
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WO
WIPO (PCT)
Prior art keywords
liquid crystal
crystal display
display module
bottom plate
reflective sheet
Prior art date
Application number
PCT/CN2014/094885
Other languages
English (en)
French (fr)
Inventor
张彦学
Original Assignee
深圳市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 深圳市华星光电技术有限公司 filed Critical 深圳市华星光电技术有限公司
Priority to US14/417,939 priority Critical patent/US10073213B2/en
Publication of WO2016086475A1 publication Critical patent/WO2016086475A1/zh

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    • 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
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C69/00—Combinations of shaping techniques not provided for in a single one of main groups B29C39/00 - B29C67/00, e.g. associations of moulding and joining techniques; Apparatus therefore
    • B29C69/02—Combinations of shaping techniques not provided for in a single one of main groups B29C39/00 - B29C67/00, e.g. associations of moulding and joining techniques; Apparatus therefore of moulding techniques only
    • 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
    • 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
    • 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
    • G02F1/133602—Direct backlight
    • G02F1/133608—Direct backlight including particular frames or supporting means
    • 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
    • G02F1/133615—Edge-illuminating devices, i.e. illuminating from the side
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
    • B29C45/1418—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles the inserts being deformed or preformed, e.g. by the injection pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/34—Electrical apparatus, e.g. sparking plugs or parts thereof
    • B29L2031/3475—Displays, monitors, TV-sets, computer screens
    • 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
    • G02F1/133317—Intermediate frames, e.g. between backlight housing and front frame

Definitions

  • the present invention relates to the field of liquid crystal display technologies, and in particular, to a liquid crystal display module, and to a method for processing the liquid crystal display module.
  • the technical problem to be solved by the present invention is that the prior art generally achieves the purpose of thinning electronic products by removing the fixed iron frame of the liquid crystal display module, and the defect of the thinning method is that the electronic device has a relatively large size. For products, especially for products with thin light guides, removing the fixed iron frame will affect the overall strength of the electronic product.
  • the present invention provides a liquid crystal display module that achieves the purpose of product thinning on the basis of ensuring the overall strength of the electronic product.
  • a liquid crystal display module comprising:
  • the frame body includes a bottom plate, and each edge of the bottom plate is bent upward to form a side plate, the bottom plate
  • the upper surface is provided with a receiving area for accommodating the reflective sheet
  • a plastic frame and a light guide plate are disposed in a space surrounded by the side plates.
  • the accommodating area is a through hole opened in an upper surface of the bottom plate.
  • the accommodating area is a groove opened on an upper surface of the bottom plate.
  • the upper surface of the reflection sheet is flush with the upper surface of the bottom plate.
  • the outer side wall of the reflective sheet is fixedly connected to the inner side wall of the accommodating area.
  • the outer side wall of the reflective sheet and the inner side wall of the accommodating area are fixedly connected by an adhesive.
  • the upper surface of the reflective sheet is fixedly coupled to the lower surface of the light guide plate.
  • the upper surface of the reflective sheet and the lower surface of the light guide plate are fixedly connected by an adhesive.
  • the outer side wall of the plastic frame is fixedly connected to the inner side wall of the side plate, and the light guide plate is disposed in a space surrounded by the inner side wall of the plastic frame.
  • a method of processing the above liquid crystal display module comprising:
  • stamping the bottom plate to be processed so that each edge of the bottom plate is bent upward to form a side plate, and the upper surface of the bottom plate has a receiving area for accommodating the reflective sheet, thereby forming a frame;
  • the light guide plate is disposed in a space surrounded by the side plates to obtain the liquid crystal display module.
  • the liquid crystal display module provided by the embodiment of the present invention has a accommodating area on the upper surface of the bottom plate, and a part or all of the reflective sheet is received in the accommodating area, so that the thickness of the liquid crystal display module is equal to the thickness of the bottom plate.
  • the thickness of the partial reflection sheet located outside the accommodating area and the thickness of the plastic frame, the thickness of the partial reflection sheet located in the accommodating area is saved, thereby achieving the purpose of reducing the overall thickness of the liquid crystal display module.
  • the accommodating area of the bottom plate by partially or completely accommodating part or all of the reflective sheet in the accommodating area of the bottom plate, the overall thickness of the liquid crystal display module is reduced, and the frame body is not removed, thereby ensuring the overall strength of the liquid crystal display module; Yes, the accommodating area is opened on the bottom plate, which effectively saves the material of the bottom plate and is beneficial to cost saving.
  • FIG. 1 is a schematic structural view of a liquid crystal display module according to an embodiment of the present invention, in which a light guide plate of a liquid crystal display module is not shown;
  • FIG. 2 is a schematic structural view of a frame body according to an embodiment of the present invention.
  • Figure 3 is a schematic view showing the assembly of the plastic frame on the basis of the frame shown in Figure 2;
  • Figure 4 is a schematic view showing the assembly of a reflective sheet on the basis of the frame and the plastic frame shown in Figure 3;
  • Figure 5 is a block diagram showing the structure of a frame in another embodiment of the present invention.
  • FIG. 6 is a flow chart showing a method of processing a liquid crystal display module according to an embodiment of the present invention.
  • the technical problem to be solved by the present invention is that the prior art generally achieves the purpose of thinning electronic products by removing the fixed iron frame of the liquid crystal display module, and the defect of the thinning method is that the electronic device has a relatively large size. For products, especially for products with thin light guides, removing the fixed iron frame will affect the overall strength of the electronic product.
  • an embodiment of the present invention provides a liquid crystal display module that achieves the purpose of product thinning on the basis of ensuring the overall strength of the electronic product.
  • FIG. 1 it is a schematic structural view of a liquid crystal display module according to an embodiment of the present invention.
  • a light guide plate as a part of the liquid crystal display module is not shown in the figure.
  • the liquid crystal display module includes a frame body 10, a reflection sheet 20, a plastic frame 30, and a light guide plate (not shown in the drawings).
  • FIG. 2 it is a schematic structural diagram of a frame 10 according to an embodiment of the present invention.
  • a frame is used.
  • the body 10 includes a bottom plate 11 made of a ferrous material or a stainless steel material, and the bottom plate 11 has a rectangular shape.
  • the four edges of the bottom plate 11 are respectively bent upward to form four side plates 12.
  • the angle between each side plate 12 and the bottom plate 11 is preferably 90°, that is, the bottom plate 11
  • Each of the edges is bent upward by 90° to form the side panel 12.
  • the bottom plate 11 and the side plates 12 are generally processed by a press process, in order to facilitate the press working, the notches 121 are provided between the adjacent two edges.
  • the four side plates 12 of the bottom plate 11 enclose a space for accommodating the plastic frame 30 and the light guide plate.
  • the specific arrangement of the plastic frame 30 can be referred to FIG.
  • FIG. 3 is a schematic view showing the assembly of the plastic frame 30 on the basis of the frame 10 shown in FIG. 2.
  • the plastic frame 30 is a glue formed by sequentially connecting four rubber side plates 12 end to end.
  • the frame body 10, the size of each of the rubber side panels 12 is matched with the respective side panels 12 of the frame body 10, and the outer side walls of each of the rubber side panels 12 and the side panels 12 matched thereto are assembled during the assembly process.
  • the inner side walls are fitted, preferably, the outer side walls of each of the rubber side panels 12 and the inner side walls of the side panels 12 that are matched thereto (for example, by means of adhesive or the like) are fixedly connected.
  • the inner side wall of the plastic frame 30 cooperates with the edge of the light guide plate to realize the assembly of the light guide plate and the plastic frame 30.
  • a ring groove can be disposed on the inner side wall of the plastic frame 30, and the card groove and the periphery of the light guide plate are disposed. The cooperation of the edges achieves the purpose of assembling the light guide plate to the plastic frame 30.
  • FIG. 4 is a schematic view showing the assembly of the reflection sheet 20 on the basis of the frame body 10 and the plastic frame 30 shown in FIG. 3.
  • the upper surface of the bottom plate 11 is provided with a space for accommodating the reflection sheet 20.
  • a through hole 111 for accommodating the reflection sheet 20 is formed on the upper bottom surface of the bottom plate 11, and the shape of the hole wall of the through hole 111 matches the shape of the edge of the reflection sheet 20, thereby realizing the reflection sheet.
  • Part or all of 20 is housed in the through hole 111 for the purpose.
  • a accommodating area is formed on the upper surface of the bottom plate 11 , and part or all of the reflective sheet 20 is received in the accommodating area, so that the thickness of the liquid crystal display module is equal to the thickness of the bottom plate 11 and is located therein.
  • the thickness of the partial reflection sheet outside the area and the thickness of the plastic frame 30, the thickness of the partial reflection sheet located in the accommodating area is a saved thickness, thereby achieving the purpose of reducing the overall thickness of the liquid crystal display module;
  • the overall thickness of the liquid crystal display module is reduced by partially or completely accommodating the reflective sheet 20 in the accommodating area of the bottom plate 11 without removing the frame 10, thereby ensuring the overall strength of the liquid crystal display module;
  • the accommodating area is formed on the bottom plate 11, which effectively saves the material of the bottom plate 11, which is beneficial to cost saving.
  • the accommodating area for accommodating the reflective sheet 20 may be a through hole 111 formed in the upper surface of the bottom plate 11, or may be a groove 112 formed on the upper surface of the bottom plate 11, as shown in FIG.
  • FIG. 5 only shows the structure of the right half of the frame 10, and the structure of the left half of the frame 10 is shown in another embodiment of the present invention.
  • the structure of the right half is symmetrically set.
  • the frame body 10 includes a bottom plate 11 made of ferrous material or stainless steel material, the bottom plate 11 is rectangular, and the bottom plate 11 is four. The edges are respectively bent upward to form four side plates 12.
  • each side plate 12 and the bottom plate 11 is preferably 90°, that is, each edge of the bottom plate 11 is upwardly
  • the side plates 12 are formed by bending 90°; in addition, since the bottom plate 11 and the side plates 12 are generally processed by a press process, in order to facilitate the press working, the notches 121 are provided between the adjacent two edges.
  • the four side panels 12 of the bottom plate 11 enclose a space for accommodating the plastic frame 30 and the light guide plate.
  • a groove 112 for accommodating the reflection sheet 20 is formed on the upper bottom surface of the bottom plate 11.
  • the shape of the groove wall of the groove 112 matches the shape of the edge of the reflection sheet 20, so that part or all of the reflection sheet 20 is accommodated. The purpose within the recess 112.
  • the upper surface of the reflective sheet 20 is flush with the upper surface of the bottom plate 11, that is, the reflective sheet 20 is entirely accommodated in the receiving area of the bottom plate 11, and the reflective sheet 20 is entirely embedded in the bottom plate 11.
  • the overall thickness of the liquid crystal display module can reduce the thickness of the entire reflective sheet 20.
  • the outer side wall of the reflective sheet 20 is fixedly connected to the inner side wall of the accommodating area.
  • the outer side wall of the reflective sheet 20 and the inner side wall of the accommodating area are fixedly connected by adhesive, or a reflective sheet.
  • the outer side wall of 20 has an interference fit with the inner side wall of the accommodating area.
  • the upper surface of the reflective sheet 20 is fixedly coupled to the lower surface of the light guide plate.
  • the upper surface of the reflective sheet 20 is fixedly coupled to the lower surface of the light guide plate by an adhesive.
  • a method for processing the liquid crystal display module is provided. As shown in FIG. 6 , it is a flowchart of a method for processing a liquid crystal display module according to an embodiment of the present invention. The processing method includes the following steps:
  • Step 1 The bottom plate 11 to be processed is punched so that each edge of the bottom plate 11 is bent upward to form the side plate 12, respectively, and the upper surface of the bottom plate 11 has a receiving area for accommodating the reflective sheet 20, thereby forming a frame.
  • the bottom plate 11 to be processed is usually an iron plate or a stainless steel plate, and the bottom plate 11 and the side plate 12 are formed by a press working process, and the receiving surface for accommodating the reflection sheet 20 is punched out on the upper surface of the bottom plate 11. Area. Since the stamping process is a technical means generally used by those skilled in the art to process an iron plate or a stainless steel plate into a specific shape, the stamping process will not be described herein.
  • Step 2 The frame 10 is placed in an injection mold so that the plastic frame 30 is formed in the space surrounded by the side plates 12.
  • the frame 10 formed by press working is placed in an injection mold to complete the injection molding of the iron-plastic composite, that is, the plastic frame 30 is injection molded in the space surrounded by the side plate 12, in particular, The plastic frame 30 is injection molded on the inner side wall of the side plate 12 to achieve the purpose of completely matching and completely fitting the plastic frame 30 with the inner side wall of the side plate 12.
  • Step 3 The reflective sheet 20 is placed in the accommodating area.
  • the reflection sheet 20 is arranged in two ways:
  • One embodiment is to fix the outer side wall of the reflective sheet 20 and the inner side wall of the accommodating area, in particular, the outer side wall of the reflective sheet 20 is glued, so that the outer side wall of the reflective sheet 20 and the inner side wall of the accommodating area pass.
  • the adhesive is fixedly connected, or the outer side wall of the reflective sheet 20 is interference-fitted with the inner side wall of the accommodating area to achieve a fixed connection;
  • the upper surface of the reflective sheet 20 is fixedly connected to the lower surface of the light guide plate.
  • the upper surface of the reflective sheet 20 is glued so that the upper surface of the reflective sheet 20 and the lower surface of the light guide plate pass the adhesive. Fixed connection.
  • Step 4 The light guide plate is disposed in a space surrounded by the side plate 12, thereby obtaining a liquid crystal display module.
  • the light guide plate is arranged in two ways:
  • One type of arrangement is: preparing glue on the four peripheral edges of the light guide plate, so that the four peripheral edges of the light guide plate are fixedly connected to the inner side wall of the plastic frame 30 through the adhesive;
  • Another arrangement is to open a card slot matching the four peripheral edges of the light guide plate on the inner side wall of the plastic frame 30, and the purpose of assembling the light guide plate to the plastic frame 30 is achieved by the cooperation of the card slot and the four peripheral edges of the light guide plate.
  • the method for processing the liquid crystal display module in the embodiment is simple. By inserting the frame 10 into the injection molding machine to perform injection molding of the plastic frame 30, the plastic frame 30 and the frame 10 can be completely matched and finished.
  • the thickness of the liquid crystal display module is equal to the thickness of the bottom plate 11, the thickness of the partial reflection sheet located outside the accommodating area, and the thickness of the plastic frame 30 by punching the accommodating area for accommodating the reflection sheet 20 on the bottom plate 11.
  • the sum of the thickness of the partial reflection sheet located in the accommodating area is the saved thickness, thereby achieving the purpose of thinning the overall thickness of the liquid crystal display module; in addition, by accommodating part or all of the reflection sheet 20 on the bottom plate
  • the method of the accommodating area of the 11 realizes the thinning of the overall thickness of the liquid crystal display module, and the frame 10 is not removed, thereby ensuring the overall strength of the liquid crystal display module; and further, the accommodating area is opened on the bottom plate 11, thereby effectively saving
  • the material of the bottom plate 11 is advantageous for cost saving.

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Abstract

一种液晶显示模组及其加工方法，液晶显示模组包括反射片（20）、框体（10）、胶框（30）和导光板，框体（10）包括的底板（11）的上表面开设有用于容置反射片的容置区（111）。通过将反射片（20）的部分或者全部容置在底板（11）的容置区（111）中，达到了使液晶显示模组的整体厚度减薄的目的，保障了液晶显示模组的整体强度，有效节省了底板的材料，有利于节省成本。

Description

液晶显示模组及其加工方法
本申请要求享有2014年12月2日提交的名称为“液晶显示模组及其加工方法”的中国专利申请CN201410719834.8的优先权，其全部内容通过引用并入本文中。
技术领域
本发明涉及液晶显示技术领域，尤其涉及一种液晶显示模组，还涉及用于加工该液晶显示模组的方法。
背景技术
随着液晶技术的发展，超薄电子产品成为中小尺寸产品发展的重要的方向之一。在现有的电子产品设计中，通常采用去除液晶显示模组的固定铁框的方法实现电子产品减薄的目的。这种方法的缺陷在于：虽然对尺寸较小的电子产品来说，去除固定铁框对产品的性能影响不大，但是对尺寸相对较大的电子产品来说，尤其是对导光板(LGP，Light Guide Plate)较薄的电子产品来说，去除固定铁框会严重影响电子产品的整体强度。因此，亟需提供一种在保证电子产品整体强度的基础上实现产品减薄目的的液晶显示模组。
发明内容
本发明所要解决的技术问题是：现有技术中一般通过去除液晶显示模组的固定铁框的方式实现电子产品减薄的目的，此种减薄方式的缺陷在于，对尺寸相对较大的电子产品来说，尤其是对导光板较薄的产品来说，去除固定铁框会影响电子产品的整体强度。
为了解决上述技术问题，本发明提供了一种在保证电子产品整体强度的基础上实现产品减薄目的的液晶显示模组。
本发明的技术方案为：
一种液晶显示模组，包括：
反射片；
框体，所述框体包括底板，所述底板的每个边沿分别向上弯折形成侧板，所述底板的 上表面开设有用于容置所述反射片的容置区；以及
胶框和导光板，所述胶框和导光板均设置在由所述侧板围成的空间内。
优选的是，所述容置区为在所述底板的上表面开设的通孔。
优选的是，所述容置区为在所述底板的上表面开设的凹槽。
优选的是，所述反射片的上表面与所述底板的上表面平齐。
优选的是，所述反射片的外侧壁与所述容置区的内侧壁固定连接。
优选的是，所述反射片的外侧壁与所述容置区的内侧壁通过黏胶固定连接。
优选的是，所述反射片的上表面与所述导光板的下表面固定连接。
优选的是，所述反射片的上表面与所述导光板的下表面通过黏胶固定连接。
优选的是，所述胶框的外侧壁与所述侧板的内侧壁固定连接，所述导光板设置在由所述胶框的内侧壁围成的空间内。
一种加工上述液晶显示模组的方法，包括：
对待加工的底板进行冲压，使得所述底板的每个边沿分别向上弯折形成侧板，并使得所述底板的上表面具有用于容置反射片的容置区，从而形成框体；
将所述框体放入注塑模具中，使得在由所述侧板围成的空间内形成胶框；
将所述反射片设置在所述容置区内；
将导光板设置在由所述侧板围成的空间内，从而获得所述液晶显示模组。
与现有技术相比，上述方案中的一个或多个实施例可以具有如下优点或有益效果：
应用本发明实施例提供的液晶显示模组，在底板的上表面开设容置区，将反射片的部分或者全部容置在该容置区中，使得液晶显示模组的厚度等于底板的厚度、位于容置区外的部分反射片的厚度以及胶框的厚度的总和，位于容置区内的部分反射片的厚度为节省的厚度，从而达到了使液晶显示模组的整体厚度减薄的目的；另外，通过将反射片的部分或者全部容置在底板的容置区中的方式实现液晶显示模组的整体厚度减薄，而未去除框体，保障了液晶显示模组的整体强度；再有，在底板上开设容置区，有效节省了底板的材料，有利于节省成本。
本发明的其它特征和优点将在随后的说明书中阐述，并且部分地从说明书中变得显而易见，或者通过实施本发明而了解。本发明的目的和其他优点可通过在说明书、权利要求 书以及附图中所特别指出的结构来实现和获得。
附图说明
附图用来提供对本发明的进一步理解，并且构成说明书的一部分，与本发明的实施例共同用于解释本发明，并不构成对本发明的限制。在附图中：
图1示出了本发明实施例液晶显示模组的结构示意图，在该图中未示出液晶显示模组的导光板；
图2示出了在本发明一实施例中框体的结构示意图；
图3示出了在图2中所示的框体的基础上装配胶框的示意图；
图4示出了在图3中所示的框体和胶框的基础上装配反射片的示意图；
图5示出了在本发明另一实施例中框体的结构示意图；以及
图6示出了本发明实施例加工液晶显示模组的方法的流程图。
具体实施方式
以下将结合附图及实施例来详细说明本发明的实施方式，借此对本发明如何应用技术手段来解决技术问题，并达成技术效果的实现过程能充分理解并据以实施。需要说明的是，只要不构成冲突，本发明中的各个实施例以及各实施例中的各个特征可以相互结合，所形成的技术方案均在本发明的保护范围之内。
本发明所要解决的技术问题是：现有技术中一般通过去除液晶显示模组的固定铁框的方式实现电子产品减薄的目的，此种减薄方式的缺陷在于，对尺寸相对较大的电子产品来说，尤其是对导光板较薄的产品来说，去除固定铁框会影响电子产品的整体强度。为了解决上述技术问题，本发明实施例提供了一种在保证电子产品整体强度的基础上实现产品减薄目的的液晶显示模组。
如图1所示，是本发明实施例液晶显示模组的结构示意图，为清楚地展示液晶显示模组的内部结构，在该图中未示出作为液晶显示模组一部分的导光板。液晶显示模组包括框体10、反射片20、胶框30和导光板(附图中未示出)。
具体地，参照图2，是本发明一实施例中框体10的结构示意图，在本实施例中，框 体10包括底板11，底板11由铁质材料或者不锈钢材料制成，并且底板11呈矩形。底板11的四个边沿分别向上弯折形成四个侧板12，特别地，为便于装配胶框30和导光板，每个侧板12与底板11的夹角优选为90°，即底板11的每个边沿分别向上弯折90°形成侧板12。另外，由于一般采用冲压工艺加工底板11和侧板12，所以为了便于冲压加工，在相邻两个边沿之间设置缺口121。这样，由底板11的四个侧板12围成了一个用于容置胶框30和导光板的空间，胶框30的具体设置方式可参照图3。
图3示出了在图2中所示的框体10的基础上装配胶框30的示意图，如图3所示，胶框30是由四个胶制侧板12顺次首尾相连形成的胶制框体10，各个胶制侧板12的尺寸与框体10的各个侧板12相匹配，在装配过程中，使每个胶制侧板12的外侧壁和与其相匹配的侧板12的内侧壁贴合，优选地，将每个胶制侧板12的外侧壁和与其相匹配的侧板12的内侧壁(例如通过黏胶等连接方式)固定连接。胶框30的内侧壁与导光板的边沿配合，以实现导光板与胶框30的装配，特别地，可通过在胶框30的内侧壁设置一圈卡槽，通过卡槽与导光板的四周边沿的配合实现将导光板装配到胶框30上的目的。
图4示出了在图3中所示的框体10和胶框30的基础上装配反射片20的示意图，如图4所示，底板11的上表面开设有用于容置反射片20的容置区，在本实施例中，在底板11的上底面开设用于容置反射片20的通孔111，通孔111的孔壁形状与反射片20的边沿形状相匹配，从而实现将反射片20的部分或全部容置在该通孔111内的目的。
在本实施例中，在底板11的上表面开设容置区，将反射片20的部分或者全部容置在该容置区中，使得液晶显示模组的厚度等于底板11的厚度、位于容置区外的部分反射片的厚度以及胶框30的厚度的总和，位于容置区内的部分反射片的厚度为节省的厚度，从而达到了使液晶显示模组的整体厚度减薄的目的；另外，通过将反射片20的部分或者全部容置在底板11的容置区中的方式实现液晶显示模组的整体厚度减薄，而未去除框体10，保障了液晶显示模组的整体强度；再有，在底板11上开设容置区，有效节省了底板11的材料，有利于节省成本。
进一步地，用于容置反射片20的容置区可以为在底板11的上表面开设的通孔111，也可以为在底板11的上表面开设的凹槽112，如图5所示，是本发明另一实施例中框体10的结构示意图，为了清楚地展示本实施例中框体10的结构，图5仅示出了框体10的右半部分结构，其左半部分的结构与右半部分结构呈对称设置。在本实施例中，框体10包括底板11，底板11由铁质材料或者不锈钢材料制成，底板11呈矩形，底板11的四个 边沿分别向上弯折形成四个侧板12，特别地，为便于装配胶框30和导光板，每个侧板12与底板11的夹角优选为90°，即底板11的每个边沿分别向上弯折90°形成侧板12；另外，由于一般采用冲压工艺加工底板11和侧板12，所以为了便于冲压加工，在相邻两个边沿之间设置缺口121。这样，由底板11的四个侧板12围成了一个用于容置胶框30和导光板的空间。另外，在底板11的上底面开设用于容置反射片20的凹槽112，凹槽112的槽壁形状与反射片20的边沿形状相匹配，从而实现将反射片20的部分或全部容置在该凹槽112内的目的。
在本发明一优选的实施例中，反射片20的上表面与底板11的上表面平齐，即将反射片20全部容置于底板11的容置区内，反射片20整个嵌入到底板11的容置区中，从而使得液晶显示模组的整体厚度能够减少整个反射片20的厚度。
在下面的两个实施例中，分别阐述了反射片20的两种优选的固定方式：
本发明一优选的实施例中，反射片20的外侧壁与容置区的内侧壁固定连接，特别地，反射片20的外侧壁与容置区的内侧壁通过黏胶固定连接，或者反射片20的外侧壁与容置区的内侧壁过盈配合。
在本发明另一优选的实施例中，反射片20的上表面与导光板的下表面固定连接，特别地，反射片20的上表面与导光板的下表面通过黏胶固定连接。
在本发明的一实施例中还提供了加工上述液晶显示模组的方法，如图6所示，是本发明实施例加工液晶显示模组的方法的流程图，所述加工方法包括以下步骤：
步骤1：对待加工的底板11进行冲压，使得底板11的每个边沿分别向上弯折形成侧板12，并使得底板11的上表面具有用于容置反射片20的容置区，从而形成框体10。
具体地，待加工的底板11通常为铁制板材或者不锈钢板材，经过冲压加工工艺，形成底板11和侧板12，并在底板11的上表面冲裁出用于容置反射片20的容置区。由于冲压加工工艺为本领域技术人员将铁制板材或者不锈钢板材加工成特定形状时通常采用的技术手段，所以在本文中不再对冲压加工工艺进行展开说明。
步骤2：将框体10放入注塑模具中，使得在由侧板12围成的空间内形成胶框30。
具体地，在此步骤中，将冲压加工形成的框体10放入注塑模具中，完成铁塑一体的注塑成型，即在侧板12围成的空间内注塑形成胶框30，特别地，在侧板12的内侧壁上注塑形成胶框30，以达到胶框30与侧板12内侧壁完全匹配、完全贴合的目的。
步骤3：将反射片20设置在容置区内。
具体地，在此步骤中，反射片20的设置方式有两种：
一种设置方式为将反射片20的外侧壁与容置区的内侧壁固定连接，特别地，在反射片20的外侧壁备胶，使得反射片20的外侧壁与容置区的内侧壁通过黏胶固定连接，或者通过反射片20的外侧壁与容置区的内侧壁过盈配合，达到固定连接的目的；
另一种设置方式为反射片20的上表面与导光板的下表面固定连接，特别地，在反射片20的上表面备胶，使得反射片20的上表面与导光板的下表面通过黏胶固定连接。
步骤4：将导光板设置在由侧板12围成的空间内，从而获得液晶显示模组。
具体地，在此步骤中，导光板的设置方式有两种：
一种设置方式为：在导光板的四周边沿备胶，使得导光板的四周边沿通过黏胶与胶框30的内侧壁固定连接；
另一种设置方式为在胶框30的内侧壁开设与导光板的四周边沿匹配的卡槽，通过卡槽与导光板的四周边沿的配合实现将导光板装配到胶框30上的目的。
将导光板装配到胶框30上后，即完成液晶显示模组的加工。
本实施例所述的加工液晶显示模组的方法简单，通过将框体10放入注塑机内进行胶框30的注塑成型，能够实现胶框30与框体10的完全匹配、完成贴合；通过在底板11上冲裁出用于容置反射片20的容置区，使得液晶显示模组的厚度等于底板11的厚度、位于容置区外的部分反射片的厚度以及胶框30的厚度的总和，位于容置区内的部分反射片的厚度为节省的厚度，从而达到了使液晶显示模组的整体厚度减薄的目的；另外，通过将反射片20的部分或者全部容置在底板11的容置区中的方式实现液晶显示模组的整体厚度减薄，而未去除框体10，保障了液晶显示模组的整体强度；再有，在底板11上开设容置区，有效节省了底板11的材料，有利于节省成本。
虽然本发明所公开的实施方式如上，但所述的内容只是为了便于理解本发明而采用的实施方式，并非用以限定本发明。任何本发明所属技术领域内的技术人员，在不脱离本发明所公开的精神和范围的前提下，可以在实施的形式上及细节上作任何的修改与变化，但本发明的专利保护范围，仍须以所附的权利要求书所界定的范围为准。

Claims (20)

  1. 一种液晶显示模组，其中，包括：
    反射片；
    框体，所述框体包括底板，所述底板的每个边沿分别向上弯折形成侧板，所述底板的上表面开设有用于容置所述反射片的容置区；以及
    胶框和导光板，所述胶框和导光板均设置在由所述侧板围成的空间内。
  2. 根据权利要求1所述的液晶显示模组，其中，所述反射片的上表面与所述底板的上表面平齐。
  3. 根据权利要求1所述的液晶显示模组，其中，所述反射片的外侧壁与所述容置区的内侧壁固定连接。
  4. 根据权利要求3所述的液晶显示模组，其中，所述反射片的外侧壁与所述容置区的内侧壁通过黏胶固定连接。
  5. 根据权利要求1所述的液晶显示模组，其中，所述反射片的上表面与所述导光板的下表面固定连接。
  6. 根据权利要求5所述的液晶显示模组，其中，所述反射片的上表面与所述导光板的下表面通过黏胶固定连接。
  7. 根据权利要求1所述的液晶显示模组，其中，所述容置区为在所述底板的上表面开设的通孔。
  8. 根据权利要求7所述的液晶显示模组，其中，所述反射片的上表面与所述底板的 上表面平齐。
  9. 根据权利要求7所述的液晶显示模组，其中，所述反射片的外侧壁与所述容置区的内侧壁固定连接。
  10. 根据权利要求9所述的液晶显示模组，其中，所述反射片的外侧壁与所述容置区的内侧壁通过黏胶固定连接。
  11. 根据权利要求7所述的液晶显示模组，其中，所述反射片的上表面与所述导光板的下表面固定连接。
  12. 根据权利要求11所述的液晶显示模组，其中，所述反射片的上表面与所述导光板的下表面通过黏胶固定连接。
  13. 根据权利要求1所述的液晶显示模组，其中，所述容置区为在所述底板的上表面开设的凹槽。
  14. 根据权利要求13所述的液晶显示模组，其中，所述反射片的上表面与所述底板的上表面平齐。
  15. 根据权利要求13所述的液晶显示模组，其中，所述反射片的外侧壁与所述容置区的内侧壁固定连接。
  16. 根据权利要求15所述的液晶显示模组，其中，所述反射片的外侧壁与所述容置区的内侧壁通过黏胶固定连接。
  17. 根据权利要求13所述的液晶显示模组，其中，所述反射片的上表面与所述导光板的下表面固定连接。
  18. 根据权利要求17所述的液晶显示模组，其中，所述反射片的上表面与所述导光板的下表面通过黏胶固定连接。
  19. 根据权利要求1所述的液晶显示模组，其中，所述胶框的外侧壁与所述侧板的内侧壁固定连接，所述导光板设置在由所述胶框的内侧壁围成的空间内。
  20. 一种加工液晶显示模组的方法，其中，
    所述液晶显示模组包括：
    反射片；
    框体，所述框体包括底板，所述底板的每个边沿分别向上弯折形成侧板，所述底板的上表面开设有用于容置所述反射片的容置区；以及
    胶框和导光板，所述胶框和导光板均设置在由所述侧板围成的空间内；
    所述方法包括：
    对待加工的底板进行冲压，使得所述底板的每个边沿分别向上弯折形成侧板，并使得所述底板的上表面具有用于容置反射片的容置区，从而形成框体；
    将所述框体放入注塑模具中，使得在由所述侧板围成的空间内形成胶框；
    将所述反射片设置在所述容置区内；
    将导光板设置在由所述侧板围成的空间内，从而获得所述液晶显示模组。
PCT/CN2014/094885 2014-12-02 2014-12-25 液晶显示模组及其加工方法 WO2016086475A1 (zh)

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