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WO2014110844A1 - 前框结构及其制作方法和显示装置及其制作方法 - Google Patents

前框结构及其制作方法和显示装置及其制作方法 Download PDF

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Publication number
WO2014110844A1
WO2014110844A1 PCT/CN2013/071086 CN2013071086W WO2014110844A1 WO 2014110844 A1 WO2014110844 A1 WO 2014110844A1 CN 2013071086 W CN2013071086 W CN 2013071086W WO 2014110844 A1 WO2014110844 A1 WO 2014110844A1
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WO
WIPO (PCT)
Prior art keywords
front frame
holding
frame structure
display device
plate
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/CN2013/071086
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English (en)
French (fr)
Inventor
阙成文
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
TCL China Star Optoelectronics Technology Co Ltd
Original Assignee
Shenzhen China Star Optoelectronics Technology Co Ltd
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 Shenzhen China Star Optoelectronics Technology Co Ltd filed Critical Shenzhen China Star Optoelectronics Technology Co Ltd
Publication of WO2014110844A1 publication Critical patent/WO2014110844A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • 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
    • G02F1/13332—Front 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
    • G02F2201/00—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
    • G02F2201/46—Fixing elements
    • G02F2201/465—Snap -fit

Definitions

  • the present invention relates to the field of display devices, and in particular, to a front frame structure, a manufacturing method thereof, a display device, and a method for fabricating the same.
  • Display devices are widely used in various electronic products such as computers, televisions, and mobile phones, and are indispensable products for people in modern society.
  • the existing display device includes a back plate, a middle frame and a front frame which are stacked one on another, and a display screen accommodated in a cavity surrounded by the back plate and the middle frame.
  • the front frame is usually a rectangular sheet metal frame structure, pressed on the middle frame and the back plate, and fastened to the middle frame and the back plate by screws, thereby fixing the display screen to the back plate and the middle frame. Enclosed in the cavity.
  • the existing front frame structure has a rectangular frame structure. If it is integrated, a large piece of sheet metal cannot be used in the middle, which causes material waste and increases material cost. If it is an assembled structure, it needs to be manually assembled. , the assembly cost is increased, and both need to be screwed to the middle frame and the back plate, and the production efficiency is low. At the same time, the length and width dimensions of the front frame need to match the length and width dimensions of the corresponding display device, and the front frame cannot be standardized for display devices of various sizes, so the mold cost is high.
  • the existing front frame structure has problems of low production efficiency and high production cost.
  • the main object of the present invention is to provide a front frame structure, a manufacturing method thereof, a display device and a manufacturing method thereof, which aim to improve the production efficiency of the display device and reduce the production cost.
  • the present invention provides a front frame structure including a plurality of sequentially connected holding members, and a first pre-cut groove between adjacent holding members, the holding member including a first holding plate And a second holding plate that is bent and extended at two ends of the first holding plate, and the second holding plate is provided with a buckle structure.
  • the buckle structure comprises a through hole provided on the second holding plate and a tongue rib protruding perpendicularly from a side wall of the through hole.
  • the buckle structure comprises two through slots opposite to the second retaining plate and a second pre-cut slot connecting the two through slots.
  • the front frame structure is formed by stamping and bending a sheet metal piece.
  • the present invention also provides a display device including a middle frame and a back plate stacked on top of each other, and a holding member for fixing the middle frame and the back plate, the holding member including a side that abuts the side of the middle frame a holding plate and a second holding plate respectively bent at two ends of the first holding plate, wherein the second holding plate at one end abuts the upper end surface of the middle frame, and the second holding plate at the other end
  • the second holding plate is provided with a buckle structure, and the middle frame and the back plate are correspondingly provided with a card slot that is engaged with the buckle structure.
  • the buckle structure comprises a through hole provided on the second holding plate and a tongue rib protruding from a side wall of the through hole, and the tongue rib is bent inwardly
  • the card slot is adapted to be engaged with the card slot.
  • the holding member is integrally formed by punching and bending a sheet metal member.
  • the invention also provides a method for manufacturing a display device, comprising the steps of:
  • a front frame structure comprising a plurality of sequentially connected holding members, and having a first pre-cut groove between adjacent holding members, the holding member comprising a first holding plate and the first holding plate
  • the second clamping plate is bent and extended, and the second clamping plate is provided with a buckle structure
  • the holder of the front frame structure end is separated from the front frame structure along the first pre-cut groove.
  • the buckle structure comprises a through hole provided on the second holding plate and a tongue rib protruding perpendicularly from a side wall of the through hole.
  • the engaging and snapping the snap structure on the latching member of the front frame structure to the corresponding card slot on the middle frame and the backplane comprises:
  • the tongue rib is stamped and bent inwardly into the card slot to fit the card slot.
  • the buckle structure comprises two through slots opposite to the second retaining plate and a second pre-cut slot connecting the two through slots, and the two through slots and the second pre-cut slot are combined into one Tongue ribs.
  • the invention also provides a method for manufacturing a front frame structure, comprising the steps of:
  • the punching out a plurality of snap structures on both sides of the sheet metal member comprises:
  • a plurality of snap-shaped structures composed of two opposite through grooves and a second pre-cut groove connecting the two through grooves are punched out on both sides of the sheet metal member.
  • the punching out a plurality of snap structures on both sides of the sheet metal member comprises:
  • a plurality of curved through grooves are punched out on both sides of the sheet metal member, and the through grooves are enclosed to form a tongue-shaped rib, and the through groove and the tongue-shaped rib form a snap structure.
  • the front frame structure provided by the invention modularizes the front frame of the display device, and the front frame structure can be automatically sent to the assembly object by the machine table, and one of the card holding members passes through the buckle structure and the assembly object. After the assembly is completed, the retaining member is separated from the front frame structure along the first pre-cut groove, and then the next retaining member is assembled.
  • the assembled retaining members are equivalent to the front frame in the prior art.
  • FIG. 1 is a schematic structural view of an embodiment of a front frame structure of the present invention
  • Figure 2 is a partial structural view of the front frame structure of Figure 1;
  • FIG. 3 is a schematic structural view of an embodiment of a display device of the present invention.
  • Figure 4 is a partial cross-sectional view of the display device of Figure 3;
  • Figure 5 is a schematic view showing the assembly of the display device of Figure 3;
  • FIG. 6 is a flow chart of an embodiment of a method of fabricating a display device of the present invention.
  • Fig. 7 is a flow chart showing an embodiment of a method for fabricating a front frame structure in the present invention.
  • the front frame structure 100 includes a plurality of latching members 110 connected in sequence, and a first pre-cut slot is provided between adjacent latching members 110. 120, so that the respective holding members 110 are kept in a connected state, and can be disconnected under a small external force, and separated into individual holding members 110.
  • the holding member 110 has a U-shaped cross section, and includes a first holding plate 112 and two second holding plates 111 opposite to the first holding plate 112.
  • the second holding plate 111 is One end of the holding plate 112 is bent, and the second holding plate 111 is provided with a snap structure.
  • the latching structure may include a through hole disposed on the second holding plate 111 and a tongue-shaped rib 1111 extending perpendicularly from a sidewall of the through hole.
  • the tongue rib 1111 has elasticity. Bend.
  • the buckle structure of the embodiment includes two through slots 1113 opposite to the second latching plate 111 and a second pre-cut slot 1112 connecting the two through slots 1113, the through slots 1113 and the second
  • the pre-cut groove 1112 encloses a tongue-shaped rib 1111, and when the tongue rib 111 is impacted along the second pre-cut groove, the tongue rib 1111 can also be bent downward.
  • the above two-way groove 1113 can also be provided as a pre-cut groove.
  • the front frame structure 100 of the present embodiment is preferably integrally formed from a sheet metal member, and a plurality of snap structures are first punched out on a long and narrow sheet metal member, and the buckle structure is symmetrically distributed on both sides of the sheet metal member along the sheet metal.
  • the lengthwise direction of the piece is evenly distributed, and a plurality of first pre-cut grooves 120 extending laterally along the sheet metal member are punched on the sheet metal member to separate adjacent snap structures.
  • the buckle structure is a buckle structure having a tongue-shaped rib 1111 as described above, and is directly formed by punching a sheet metal part by punching. When punching, two opposite through grooves 1113 and a second connecting groove 1113 are formed.
  • the advantage of the two pre-cut grooves 1112 for punching the second pre-cut grooves 1113 instead of being punched into the through grooves 1113 is to prevent the tongue-shaped ribs 1111 from being bent downward after punching, so that it is scraped with the assembly object in subsequent assembly. It will affect the smooth assembly or damage the manpower during the handling process.
  • the two sides of the sheet metal member are bent into a U shape in the same direction, so that the buckle structures on the two sides are oppositely disposed, and become a plurality of holding members separated by the first pre-cut groove 120.
  • the front frame structure 100 is composed of 110, wherein the middle portion of the sheet metal member is the first holding plate 112, and the opposite sides of the sheet metal member are the second holding plate 111.
  • the first pre-cut groove 120 and the second pre-cut groove 1112 after being bent are located outside the front frame structure 100, and are easily separated along the pre-cut groove.
  • a standardized front frame structure 100 composed of a plurality of holding members 110 is formed, and is disposed on the holding member 110 at corresponding positions of the middle frame 200 and the back plate 300.
  • the card structure corresponds to the card slot (210, 310).
  • the first holding plate 112 of the holding member 110 at the end of the structure 100 abuts against the side surface of the middle frame 200, the upper second holding plate 111 abuts the upper end surface of the middle frame 200, and the lower second holding plate 111 Abutting against the bottom surface of the back plate 300; and aligning the tongue ribs 1111 in the fastening structure of the second holding plate 111 with the corresponding card slots (210, 310) on the middle frame 200 and the back plate 300,
  • the head stamps the tongue rib 1111 (shown by the up and down arrows in FIG. 5), and is broken along the second pre-cut slot 1112 and bent inwardly into the card slot (210, 310) and the card slot.
  • the holding member 110 fixes the middle frame 200 and the back plate 300 together; finally, the holding member of the front frame structure 100 is held along the first pre-cut groove 120 by using a cutter.
  • the 110 is separated from the front frame structure 100, and the assembly of a holding member 110 with the middle frame 200 and the back plate 300 is completed, and then the next holding member 110 is assembled.
  • the number of the assembly holding members 110 on the display device is determined according to actual needs, and it is preferable to assemble six, three on each side, and evenly distributed in the upper, middle, and lower portions to increase the firmness.
  • the two front frame structures 100 are simultaneously fed on both sides of the display device, and assembled at the same time, and the production efficiency is high.
  • the second holding plate 111 of the holding member 110 has only one fastening structure.
  • two or more fastening structures can be provided as needed, and the holding member 110 can be extended according to actual needs.
  • the length of the display device is equal to the length of the display device, and only one holding member 110 is needed on one side of the display device.
  • the third holding plate 111 of the holding member 110 can be provided with three fastening structures, which are respectively engaged with the display device side.
  • the upper, middle and lower parts can also achieve standardized automatic assembly and improve production efficiency.
  • the manner in which the holding member 110 is disposed in the above embodiment is more material-saving and can reduce the material cost.
  • the front frame structure 100 of the present invention can be applied to other assembly objects in addition to the display device.
  • the front frame structure 100 of the embodiment is composed of a standardized and modular holding member 110, and the front frame structure 100 can be automatically sent to the assembly object by the machine table, and one of the holding members 110 is buckled. After the structure and the assembly object are assembled, the holder 110 is separated from the front frame structure 100 along the first pre-cut groove 120, and then the next holder 110 is assembled. Thereby, the automatic assembly is realized, the production efficiency is improved; the front frame structure 100 is formed by the standardization of the holding member 110, and can be applied to various display devices of a long and wide size, thereby reducing the mold cost.
  • the display device includes a backplane 300, a middle frame 200 stacked on the backplane 300, and the backplane 300 and the middle frame 200.
  • the plurality of holding members 110 and the number of the holding members 110 are determined according to actual needs, and preferably six are assembled, three on each side, and evenly distributed in the upper middle, lower, and lower portions to increase the firmness.
  • the holding member 110 includes a first holding plate 112 that abuts the side of the middle frame 300 and a second holding plate 111 that is bent and extended from the two ends of the first holding plate 112.
  • the second holding plate 111 abuts the upper end surface of the middle frame 200, the second holding plate 111 at the other end abuts the bottom surface of the back plate 300, and the second holding plate 111 is provided with a buckle structure.
  • the middle frame 200 and the back plate 300 are correspondingly provided with a card slot (210, 310) that is adapted to be engaged with the buckle structure.
  • the buckle structure includes a through hole provided in the second holding plate 111, and a tongue-shaped rib 1111 protruding from a side wall of the through hole.
  • the tongue rib 1111 has elasticity and is bent inward.
  • the card slot (210, 310) correspondingly folded into the middle frame 200 and the back plate 300 is fitted and engaged with the card slot (210, 310), thereby fixing the middle frame 200 and the back plate 300 together, after assembly
  • the plurality of retaining members 110 are equivalent to the front frame of the prior art.
  • the display device of the embodiment fixes the middle frame 200 and the back plate 300 by the standardized holding member 110, which greatly saves material cost; and is fixed by the buckle structure without the need of screws, which is convenient and quick to assemble, and improves production efficiency;
  • the holder 110 is standardized and can be applied to various display devices of various lengths and widths, thereby reducing the cost of the mold.
  • the holding member 110 of the present embodiment is integrally formed by punching and bending a sheet metal member, and a plurality of holding members 110 are simultaneously formed at a time, and the plurality of holding members 110 form a front frame structure 100.
  • the front frame structure 100 of the present embodiment is the front frame structure 100 described in the foregoing embodiment, and details are not described herein again.
  • a standardized front frame structure 100 composed of a plurality of holding members 110 is formed, and is disposed on the holding member 110 at corresponding positions of the middle frame 200 and the back plate 300.
  • the card structure corresponds to the card slot (210, 310).
  • the lower second holding plate 111 abuts against the bottom surface of the back plate 300; and the tongue rib 1111 in the fastening structure of the second holding plate 111 is aligned with the corresponding card slot on the middle frame 200 and the back plate 300.
  • the tongue rib 1111 is punched by a punch to be broken along the second pre-cut groove 1112 and bent inwardly into the card slot (210, 310) and the card slot (210) , 310) the adapter is engaged, the holding member 110 fixes the middle frame 200 and the back plate 300 together; finally, the holding member 110 at the end of the front frame structure 100 is removed from the first pre-cut groove 120 by using a cutter.
  • the front frame structure 100 is separated, and the assembly of a holding member 110 with the middle frame 200 and the back plate 300 is completed, and then the next holding member 110 is assembled, thereby realizing automatic assembly and improving production efficiency.
  • the number of the assembly holding members 110 on the display device is determined according to actual needs.
  • the method for fabricating the display device includes the following steps:
  • Step S101 fabricating a front frame structure composed of a plurality of holding members, wherein the adjacent holding members have a first pre-cut groove, and the holding member has a snap structure.
  • the front frame structure is composed of a plurality of sequentially connected holding members, and the first holding grooves are provided between the adjacent holding members, so that the holding members are kept in a connected state and can be in a small external force. Disconnected and separated into separate holders.
  • the holding member has a U-shaped cross section, and includes a first holding plate and a second holding plate that is bent and extended at two ends of the first holding plate, and the second holding plate is provided with a buckle structure.
  • the front frame structure of the embodiment is preferably integrally formed from a sheet metal piece, and the manufacturing process of the front frame structure is as follows:
  • Step S201 punching a plurality of snap structures on both sides of the sheet metal member, and punching out a plurality of first pre-cut grooves extending laterally along the sheet metal member and separating adjacent snap structures.
  • a corresponding front frame structure is fabricated according to the sizes of the middle frame and the back plate in the display device.
  • the sheet metal member is elongated and elongated, and the buckle structure is symmetrically distributed on both sides of the sheet metal member, uniformly arranged along the longitudinal direction of the sheet metal member, and punched out on the sheet metal member to extend laterally along the sheet metal member.
  • a number of first pre-cut slots separate adjacent snap structures.
  • the buckle structure is directly formed by punching a sheet metal piece, and the buckle structure may be a structure including a through hole and a tongue-shaped rib protruding perpendicularly from a side wall of the through hole, and can be directly punched out when punching a curved through groove, the through groove encloses a tongue-shaped rib, and the through groove and the tongue-shaped rib form a snap structure; when punching, the two opposite through grooves and the connecting two-way can also be punched out a second pre-cut groove of the groove, the two-way groove and the second pre-cut groove form a snap structure, and the through groove and the second pre-cut groove are similarly formed into a tongue-shaped rib, and the second pre-cut groove is punched out
  • the advantage of not being punched into a through groove is to prevent the tongue rib from being bent downward and protruding out of the through hole, so that it is scraped with the assembly object during subsequent assembly, thereby affecting the smooth assembly, or hurting during handling
  • Step S202 bending the two sides of the sheet metal member such that the buckle structures on the two sides are oppositely disposed.
  • the two sides of the sheet metal member are bent into a U shape in the same direction, so that the buckle structures on the two sides are oppositely disposed, and become a plurality of holding members separated by the first pre-cut groove.
  • the front frame structure is composed, wherein the middle portion of the sheet metal member is the first holding plate, and the opposite sides of the sheet metal are the second holding plates.
  • the first pre-cut groove and the second pre-cut groove after the bending are located outside the front frame structure, and are easily separated along the pre-cut groove.
  • Step S102 providing a card slot corresponding to the buckle structure on the holding member on the middle frame and the back plate.
  • three card slots are preferably provided on both sides of the middle frame and the back plate.
  • Step S103 the snap structure on the holding member of the front frame structure is matched with the corresponding card slot on the middle frame and the back plate.
  • the machine automatically feeds, and one front frame structure on each side is sent to both sides of the middle frame, so that the first holding plate of the holding member at the end of the front frame structure and the middle frame side are opposite.
  • the upper second holding plate abuts the upper end surface of the middle frame
  • the lower second holding plate abuts the bottom surface of the back plate
  • the tongue rib in the buckle structure of the second holding plate Align the corresponding card slots on the middle and back panels.
  • the tongue rib is punched by the punch to be broken along the second pre-cut groove and bent inwardly into the card slot to fit the card slot, and the holding member will be the middle frame and the back.
  • the plates are fixed together.
  • Step S104 separating the holding member of the front frame structure end portion from the front frame structure along the first pre-cutting groove.
  • step S104 the holding member of the front frame structure end portion is separated from the front frame structure by the cutter along the first pre-cut groove, thereby completing the assembly of the card holder with the front frame and the middle frame. Then, steps S103 to S104 are repeated to continue assembling the next holding member.
  • the number of the mounting clips on the display device is determined according to actual needs, and it is preferable to assemble six, three on each side, and evenly distributed in the upper, middle, and lower portions to increase the firmness.
  • the second holding plate of the holding member has only one snap structure.
  • two or more snap structures can be provided as needed, and the holding member can be extended according to actual needs, and the longest can be
  • the length of the display device is equal, only one holding member is needed on one side of the display device, and three latching structures can be disposed on one second holding plate of the holding member, respectively engaging the upper, middle, and lower sides of the display device.
  • the parts can also be standardized and automatically assembled to improve production efficiency.
  • the manner in which the retaining members are disposed in the above embodiment is more material-saving and can reduce the material cost.
  • the front frame is modularly arranged, and the front frame structure can be automatically fed to the middle frame and the back plate by the machine table, and one of the holding members passes through the buckle structure and the middle After the frame and the backing plate are assembled, the holding member is separated from the front frame structure along the first pre-cut groove, and then the next holding member is assembled.
  • the automatic assembly is realized, and the production efficiency is improved; since the card member can be standardized into a front frame structure, it can be applied to various display devices of a long and wide size, thereby reducing the mold cost.

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Abstract

一种前框（100）结构，其包括若干依次连接的卡持件（110），相邻的卡持件（110）之间具有第一预切槽（120），卡持件（110）包括第一卡持板（112）及该第一卡持板（112）两端分别弯折延伸的第二卡持板（111），第二卡持板（111）上设有卡扣结构。通过将显示装置的前框（100）进行模块化设置，可以由机台将前框结构（110）自动送至装配对象处，待其中一个卡持件（110）通过卡扣结构与装配对象完成装配后，沿第一预切槽（120）将卡持件（110）从前框（100）结构上分离，接着再装配下一个卡持件（110），装配后的若干卡持件（110）就相当于现有技术中的前框（100）。从而实现了自动化装配，提高了生成效率。通过将卡持件（110）标准化来组成前框（100）结构，可以被应用于各种长宽尺寸的显示装置，因而可降低模具成本。还提出了一种前框结构的制作方法，一种显示装置，以及一种显示装置的制作方法。

Description

前框结构及其制作方法和显示装置及其制作方法
技术领域
本发明涉及显示装置技术领域，尤其是涉及一种前框结构及其制作方法和显示装置及其制作方法。
背景技术
显示装置被广泛应用于计算机、电视机、移动电话等各种电子产品，是现代社会中人们不可或缺的产品。现有的显示装置包括依次叠放的背板、中框和前框，以及容置于背板和中框所围合成的空腔内的显示屏。其中前框通常为一矩形的钣金框架结构，压置于中框和背板之上，通过螺钉紧固于中框和背板之上，从而实现将显示屏固定于背板和中框所围合而成的空腔内。
现有的前框结构，由于呈矩形的框架结构，如果一体设置，则中间会出现一大块钣金不能利用，造成材料浪费，增加了材料成本；若为组装结构，则先需要人工组配，增加了装配成本，并且都需要打螺钉紧固于中框和背板，生产效率较低。同时，前框的长宽尺寸需要与相应的显示装置的长宽尺寸配合，前框不能标准化应用于各种尺寸的显示装置，因此模具成本高。
综上所述，现有的前框结构存在生产效率低，生产成本高等问题。
发明内容
本发明的主要目的在于提供一种前框结构及其制作方法和显示装置及其制作方法，旨在提高显示装置的生产效率、降低生产成本。
为达以上目的，本发明提出一种前框结构，包括若干依次连接的卡持件，且相邻的卡持件之间具有第一预切槽，所述卡持件包括第一卡持板及该第一卡持板两端分别弯折延伸的第二卡持板，所述第二卡持板上设有卡扣结构。
优选地，所述卡扣结构包括设于所述第二卡持板上的通孔及由该通孔的侧壁垂直突伸的舌状筋板。
优选地，所述卡扣结构包括相对设于所述第二卡持板上的两通槽及连接两通槽的第二预切槽。
优选地，所述前框结构由钣金件一体冲裁弯折成型。
本发明同时提出一种显示装置，包括上下叠放的中框和背板，还包括固定所述中框和背板的卡持件，所述卡持件包括抵接所述中框侧面的第一卡持板及该第一卡持板两端分别弯折延伸的第二卡持板，其中一端的第二卡持板抵接所述中框的上端面，另一端的第二卡持板抵接所述背板的底面，所述第二卡持板上设有卡扣结构，所述中框和背板上对应的设有与所述卡扣结构适配卡合的卡槽。
优选地，所述卡扣结构包括设于所述第二卡持板上的通孔及由该通孔的侧壁突伸的舌状筋板，所述舌状筋板向内弯折伸入所述卡槽内与该卡槽适配卡合。
优选地，所述卡持件由钣金件一体冲裁弯折成型。
本发明还提出一种显示装置的制作方法，包括步骤：
制作前框结构，其包括若干依次连接的卡持件，且相邻的卡持件之间具有第一预切槽，所述卡持件包括第一卡持板及该第一卡持板两端分别弯折延伸的第二卡持板，所述第二卡持板上设有卡扣结构；
在中框和背板上设置与所述卡持件上的卡扣结构相对应的卡槽；
将所述前框结构端部的卡持件上的卡扣结构与所述中框和背板上对应的卡槽适配卡合；
沿所述第一预切槽将所述前框结构端部的卡持件从所述前框结构上分离。
优选地，所述卡扣结构包括设于所述第二卡持板上的通孔及由该通孔的侧壁垂直突伸的舌状筋板。
优选地，所述将前框结构端部的卡持件上的卡扣结构与所述中框和背板上对应的卡槽适配卡合包括：
将所述前框结构端部的卡持件上的所述舌状筋板对准所述中框和背板上对应的卡槽；
冲压所述舌状筋板，使其向内弯折伸入所述卡槽内与该卡槽适配卡合。
优选地，所述卡扣结构包括相对设于所述第二卡持板上的两通槽及连接两通槽的第二预切槽，所述两通槽和第二预切槽围合成一舌状筋板。
本发明还提出一种前框结构的制作方法，包括步骤：
在钣金件两侧冲裁出若干卡扣结构和沿所述钣金件横向延伸并将相邻的所述卡扣结构隔开的若干第一预切槽；
弯折钣金件两侧，使得两侧的卡扣结构呈相对设置。
优选地，所述在钣金件两侧冲裁出若干卡扣结构包括：
在钣金件两侧冲裁出若干由两相对的通槽及连接两通槽的第二预切槽所组成的卡扣结构。
优选地，所述在钣金件两侧冲裁出若干卡扣结构包括：
在钣金件两侧冲裁出若干曲线状的通槽，所述通槽围合形成一舌状筋板，所述通槽和舌状筋板组成卡扣结构。
本发明所提供的一种前框结构，将显示装置的前框进行模块化设置，可以由机台将前框结构自动送至装配对象处，待其中一个卡持件通过卡扣结构与装配对象完成装配后，沿第一预切槽将卡持件从前框结构上分离，接着再装配下一个卡持件，装配后的若干卡持件就相当于现有技术中的前框。从而实现了自动化装配，提高了生产效率；由于卡持件标准化而组成前框结构，可以应用于各种长宽尺寸的显示装置，因而可降低模具成本。
附图说明
图1是本发明前框结构一实施例的结构示意图；
图2是图1中前框结构的局部结构示意图；
图3 是本发明显示装置一实施例的结构示意图；
图4 是图3中显示装置的局部剖视图；
图5是图3中显示装置的装配示意图；
图6是本发明显示装置的制作方法一实施例的流程图；
图7是本发明中前框结构的制作方法一实施例的流程图。
本发明目的的实现、功能特点及优点将结合实施例，参照附图做进一步说明。
具体实施方式
应当理解，此处所描述的具体实施例仅仅用以解释本发明，并不用于限定本发明。
参见图1和图2，提出本发明的前框结构一实施例，所述前框结构100包括若干依次连接的卡持件110，且相邻的卡持件110之间具有第一预切槽120，使得各卡持件110之间既保持连接状态，又能在较小的外力下断开，分离成单独的卡持件110。所述卡持件110横截面呈U形，包括第一卡持板112及相对设置于该第一卡持板112两端的两第二卡持板111，所述第二卡持板111由第一卡持板112一端弯折而成，且第二卡持板111上设有卡扣结构。所述卡扣结构可以是包括设于所述第二卡持板111上的通孔及由该通孔的侧壁垂直突伸的舌状筋板1111，该舌状筋板1111具有弹性，可弯折。作为优选，本实施例的卡扣结构包括相对设于所述第二卡持板111上的两通槽1113及连接两通槽1113的第二预切槽1112，所述通槽1113和第二预切槽1112围合形成一舌状筋板1111，当沿着第二预切槽冲击该舌状筋板111时，该舌状筋板1111同样可向下弯折。此外，上述两通槽1113同样可以设置成预切槽。
本实施例的前框结构100优选由钣金件一体成型，先在一狭长的钣金件上冲裁出若干卡扣结构，所述卡扣结构对称分布于钣金件两侧，沿钣金件长度方向均匀排布，并在钣金件上冲裁沿所述钣金件横向延伸的若干第一预切槽120，将相邻的卡扣结构隔开。所述卡扣结构即如上所述具有舌状筋板1111的卡扣结构，直接由冲头冲裁钣金件而成，冲裁时形成两相对的通槽1113及连接两通槽1113的第二预切槽1112，冲裁第二预切槽1113而非都冲裁成通槽1113的好处是防止舌状筋板1111因冲裁后向下弯折，使得后续装配时其与装配对象刮蹭而影响顺利装配，或者在搬运过程中伤及人手。卡扣结构冲裁完成后，再将钣金件两侧往同一方向弯折呈U形，使得两侧的卡扣结构相对设置，成为被第一预切槽120分隔开的若干卡持件110所组成的前框结构100，其中钣金件的中间部分为第一卡持板112，弯折后相对的两侧则为第二卡持板111。优选弯折后第一预切槽120和第二预切槽1112位于前框结构100的外侧，易于后续沿所述预切槽分离。
结合参见图4和图5，本实施例的前框结构100应用于显示装置时，可以实现自动装配。根据显示装置中中框200和背板300的尺寸，制作标准化的由若干卡持件110组成的前框结构100，并在中框200和背板300的相应位置设置与卡持件110上的卡扣结构相对应的卡槽（210，310）。将中框200放置于背板300上，并将显示屏放入中框200和背板300形成的空腔内后，机台自动向前送料（如图5中箭头所示），将前框结构100端部的卡持件110的第一卡持板112与中框200侧面抵接，上部的第二卡持板111与中框200的上端面抵接，下部的第二卡持板111与背板300的底面抵接；并将第二卡持板111的卡扣结构中的舌状筋板1111对准中框200和背板300上对应的卡槽（210，310），利用冲头冲压所述舌状筋板1111（如图5中上下箭头所示），使其沿第二预切槽1112断开并向内弯折伸入卡槽（210，310）内与该卡槽（210，310）适配卡合，卡持件110就将中框200和背板300固定在一起；最后利用切刀，沿第一预切槽120将前框结构100端部的卡持件110从该前框结构100上分离，完成一卡持件110与中框200和背板300的装配，接着再装配下一个卡持件110。显示装置上装配卡持件110的数量根据实际需要而定，优选装配6个，每侧3个，均匀分布于上中下三个部位，以增加牢固性。装配时两个前框结构100于显示装置两侧同时进料，同时装配，生产效率高。
上述实施例中卡持件110的一个第二卡持板111上只有一个卡扣结构，实际上可以根据需要设置两个或者多个卡扣结构，则卡持件110可以根据实际需要延长，最长可以与显示装置的长度相等，则显示装置一侧只需一个卡持件110，卡持件110一个第二卡持板111上可以设置三个卡扣结构，分别卡合于显示装置一侧的上中下三个部位，同样可以实现标准化自动装配，提高生产效率。不过上述实施例中卡持件110的设置方式更加节省材料，可降低材料成本。此外，本发明的的前框结构100除了应用于显示装置外，还可以应用其他装配对象。
据此，本实施例的前框结构100，由标准化、模块化的卡持件110组成，可以由机台将前框结构100自动送至装配对象处，待其中一个卡持件110通过卡扣结构与装配对象完成装配后，沿第一预切槽120将卡持件110从前框结构100上分离，接着再装配下一个卡持件110。从而实现了自动化装配，提高了生产效率；由于卡持件110标准化而组成前框结构100，可以应用于各种长宽尺寸的显示装置，因而降低了模具成本。
结合参见图3和图4，提出本发明的显示装置一实施例，所述显示装置包括背板300、叠放于背板300之上的中框200以及固定所述背板300和中框200的多个卡持件110，卡持件110的数量根据实际需要而定，优选装配6个，每侧3个，均匀分布于上中下三个部位，以增加牢固性。所述卡持件110包括抵接所述中框300侧面的第一卡持板112及由该第一卡持板112两端分别弯折延伸形成的第二卡持板111，其中一端的第二卡持板111抵接所述中框200的上端面，另一端的第二卡持板111抵接所述背板300的底面，所述第二卡持板111上设有卡扣结构，所述中框200和背板300上对应的设有与所述卡扣结构适配卡合的卡槽（210，310）。所述卡扣结构包括设于所述第二卡持板111的通孔，及由该通孔的侧壁突伸的舌状筋板1111，该舌状筋板1111具有弹性，其向内弯折伸入中框200和背板300对应的卡槽（210，310）内与该卡槽（210，310）适配卡合，从而实现将中框200和背板300固定在一起，装配后的若干卡持件110就相当于现有技术中的前框。
本实施例的显示装置通过标准化的卡持件110固定中框200和背板300，大大节省了材料成本；且通过卡扣结构固定而无需上螺钉，装配时方便快捷，提高了生产效率；卡持件110标准化，可以应用于各种长宽尺寸的显示装置，降低了模具成本。
进一步地，本实施例的卡持件110由钣金件一体冲裁弯折成型，且一次同时成型多个卡持件110，该多个卡持件110形成一前框结构100。本实施例的前框结构100即为上述实施例所述的前框结构100，在此不再赘述。卡持件110模块化后，就可以实现显示装置的自动装配，具体装配流程如下：
根据显示装置中中框200和背板300的尺寸，制作标准化的由若干卡持件110组成的前框结构100，并在中框200和背板300的相应位置设置与卡持件110上的卡扣结构相对应的卡槽（210，310）。将中框200放置于背板300上，并将显示屏放置于由中框200和背板300所形成的空腔内后，如图5所示，机台将自动向前送料（如图5中箭头所示），将前框结构100端部的卡持件110的第一卡持板112与中框200侧面抵接，上部的第二卡持板111与中框200的上端面抵接，下部的第二卡持板111与背板300底面抵接；并将第二卡持板111的卡扣结构中的舌状筋板1111对准中框200和背板300上对应的卡槽（210，310），利用冲头冲压所述舌状筋板1111，使其沿第二预切槽1112断开并向内弯折伸入卡槽（210，310）内与该卡槽（210，310）适配卡合，卡持件110就将中框200和背板300固定在一起；最后利用切刀，沿第一预切槽120将前框结构100端部的卡持件110从该前框结构100上分离，完成一卡持件110与中框200和背板300的装配，接着再装配下一个卡持件110，从而实现自动化装配，提高了生产效率。显示装置上装配卡持件110的数量根据实际需要而定，装配时两个前框结构100于显示装置两侧同时进料，同时装配，可进一步提高生产效率。
参见图6和图7，提出本发明显示装置的制作方法一实施例，所述显示装置的制作方法包括以下步骤：
步骤S101、制作由若干卡持件依次连接组成的前框结构，相邻卡持件之间具有第一预切槽，且卡持件上具有卡扣结构。
所述前框结构由若干依次连接的卡持件组成，且相邻的卡持件之间具有第一预切槽，使得各卡持件之间既保持连接状态，又能在较小的外力下断开，分离成单独的卡持件。所述卡持件横截面呈U形，包括第一卡持板及该第一卡持板两端分别弯折延伸的第二卡持板，且第二卡持板上设有卡扣结构。
本实施例的前框结构优选由钣金件一体成型，所述前框结构的制作流程如下：
步骤S201、在钣金件两侧冲裁出若干卡扣结构，及冲裁出沿所述钣金件横向延伸并将相邻的卡扣结构隔开的若干第一预切槽。
本实施例根据显示装置中中框和背板的尺寸来制作相应的前框结构。所述钣金件呈狭长状，所述卡扣结构对称分布于钣金件两侧，沿钣金件长度方向均匀排布，并在钣金件上冲裁出沿所述钣金件横向延伸的若干第一预切槽，将相邻的卡扣结构隔开。当然，也可以先在钣金件上冲裁若干第一预切槽，然后在两第一预切槽之间的钣金件上冲裁卡扣结构。卡扣结构直接由冲头冲裁钣金件而成，所述卡扣结构可以是包括通孔及该通孔的侧壁垂直突伸的舌状筋板的结构，冲裁时可直接冲出曲线状的通槽，该通槽围合形成一舌状筋板，所述通槽和舌状筋板则组成一卡扣结构；冲裁时也可以冲出两相对的通槽及连接两通槽的第二预切槽，该两通槽和第二预切槽组成一卡扣结构，所述通槽和第二预切槽同样围合成一舌状筋板，冲裁第二预切槽而非都冲裁成通槽的好处是防止舌状筋板因冲裁后向下弯折伸出通孔，使得后续装配时其与装配对象刮蹭而影响顺利装配，或者在搬运过程中伤及人手。
步骤S202、弯折钣金件两侧，使得两侧的卡扣结构呈相对设置。
卡扣结构冲裁完成后，再将钣金件两侧往同一方向弯折呈U形，使得两侧的卡扣结构相对设置，成为被第一预切槽分隔开的若干卡持件所组成的前框结构，其中钣金件的中间部分为第一卡持板，弯折后相对的两侧则为第二卡持板。优选弯折后第一预切槽和第二预切槽位于前框结构的外侧，易于后续沿所述预切槽分离。前框结构制作完成，则进入下一步骤:
步骤S102、在中框和背板上设置与卡持件上的卡扣结构相对应的卡槽。
本实施例优选在在中框和背板的两侧各设置三个卡槽。
步骤S103、将前框结构端部的卡持件上的卡扣结构与中框和背板上对应的卡槽适配卡合。
由于卡持件模块化，因此可以实现自动送料、自动装配。将中框放置于背板上后，机台自动送料，两侧各一个前框结构送至中框两侧，使得前框结构端部的卡持件的第一卡持板与中框侧面抵接，上部的第二卡持板与中框的上端面抵接，下部的第二卡持板与背板的底面抵接，并将第二卡持板的卡扣结构中的舌状筋板对准中框和背板上对应的卡槽。然后利用冲头冲压所述舌状筋板，使其沿第二预切槽断开并向内弯折伸入卡槽内与该卡槽适配卡合，卡持件就将中框和背板固定在一起。
步骤S104、沿第一预切槽将前框结构端部的卡持件从该前框结构上分离。
本步骤S104中，利用切刀沿第一预切槽将前框结构端部的卡持件从该前框结构上分离，从而就完成了一卡持件与前框和中框的装配。接下来再重复步骤S103~步骤S104，继续装配下一个卡持件。显示装置上装配卡持件的数量根据实际需要而定，优选装配6个，每侧3个，均匀分布于上中下三个部位，以增加牢固性。
上述实施例中卡持件的一个第二卡持板上只有一个卡扣结构，实际上可以根据需要设置两个或者多个卡扣结构，则卡持件可以根据实际需要延长，最长可以与显示装置的长度相等，则显示装置一侧只需一个卡持件，卡持件一个第二卡持板上可以设置三个卡扣结构，分别卡合于显示装置一侧的上中下三个部位，同样可以实现标准化自动装配，提高生产效率。不过上述实施例中卡持件的设置方式更加节省材料，可降低材料成本。
据此，本实施例显示装置的制作方法，将前框进行模块化设置，可以由机台将前框结构自动送料至中框和背板处，待其中一个卡持件通过卡扣结构与中框和背板完成装配后，沿第一预切槽将卡持件从前框结构上分离，接下来再装配下一个卡持件。从而实现了自动化装配，提高了生产效率；由于卡持件标准化可组合成前框结构，可以应用于各种长宽尺寸的显示装置，因而降低了模具成本。
应当理解的是，以上仅为本发明的优选实施例，不能因此限制本发明的专利范围，凡是利用本发明说明书及附图内容所作的等效结构或等效流程变换，或直接或间接运用在其他相关的技术领域，均同理包括在本发明的专利保护范围内。

Claims (16)

  1. 一种前框结构，其中，包括若干依次连接的卡持件，且相邻的卡持件之间具有第一预切槽，所述卡持件包括第一卡持板及该第一卡持板两端分别弯折延伸的第二卡持板，所述第二卡持板上设有卡扣结构。
  2. 根据权利要求1所述的前框结构，其中，所述卡扣结构包括设于所述第二卡持板上的通孔及由该通孔的侧壁垂直突伸的舌状筋板。
  3. 根据权利要求1所述的前框结构，其中，所述卡扣结构包括相对设于所述第二卡持板上的两通槽及连接两通槽的第二预切槽。
  4. 根据权利要求1所述的前框结构，其中，所述前框结构由钣金件一体冲裁弯折成型。
  5. 根据权利要求3所述的前框结构，其中，所述前框结构由钣金件一体冲裁弯折成型。
  6. 一种显示装置，包括上下叠放的中框和背板，其中，还包括固定所述中框和背板的卡持件，所述卡持件包括抵接所述中框侧面的第一卡持板及该第一卡持板两端分别弯折延伸的第二卡持板，其中一端的第二卡持板抵接所述中框的上端面，另一端的第二卡持板抵接所述背板的底面，所述第二卡持板上设有卡扣结构，所述中框和背板上对应的设有与所述卡扣结构适配卡合的卡槽。
  7. 根据权利要求6所述的显示装置，其中，所述卡扣结构包括设于所述第二卡持板上的通孔及由该通孔的侧壁突伸的舌状筋板，所述舌状筋板向内弯折伸入所述卡槽内与该卡槽适配卡合。
  8. 根据权利要求6所述的显示装置，其中，所述卡持件由钣金件一体冲裁弯折成型。
  9. 一种显示装置的制作方法，其中，包括步骤：
    制作前框结构，其包括若干依次连接的卡持件，且相邻的卡持件之间具有第一预切槽，所述卡持件包括第一卡持板及该第一卡持板两端分别弯折延伸的第二卡持板，所述第二卡持板上设有卡扣结构；
    在中框和背板上设置与所述卡持件上的卡扣结构相对应的卡槽；
    将所述前框结构端部的卡持件上的卡扣结构与所述中框和背板上对应的卡槽适配卡合；
    沿所述第一预切槽将所述前框结构端部的卡持件从所述前框结构上分离。
  10. 根据权利要求9所述的显示装置的制作方法，其中，所述卡扣结构包括设于所述第二卡持板上的通孔及由该通孔的侧壁垂直突伸的舌状筋板。
  11. 根据权利要求10所述的显示装置的制作方法，其中，所述将前框结构端部的卡持件上的卡扣结构与所述中框和背板上对应的卡槽适配卡合包括：
    将所述前框结构端部的卡持件上的所述舌状筋板对准所述中框和背板上对应的卡槽；
    冲压所述舌状筋板，使其向内弯折伸入所述卡槽内与该卡槽适配卡合。
  12. 根据权利要求9所述的显示装置的制作方法，其中，所述卡扣结构包括相对设于所述第二卡持板上的两通槽及连接两通槽的第二预切槽，所述两通槽和第二预切槽围合成一舌状筋板。
  13. 根据权利要求12所述的显示装置的制作方法，其中，所述将前框结构端部的卡持件上的卡扣结构与所述中框和背板上对应的卡槽适配卡合包括：
    将所述前框结构端部的卡持件上的所述舌状筋板对准所述中框和背板上对应的卡槽；
    冲压所述舌状筋板，使其向内弯折伸入所述卡槽内与该卡槽适配卡合。
  14. 一种前框结构的制作方法，其中，包括步骤：
    在钣金件两侧冲裁出若干卡扣结构和沿所述钣金件横向延伸并将相邻的所述卡扣结构隔开的若干第一预切槽；
    弯折钣金件两侧，使得两侧的卡扣结构呈相对设置。
  15. 根据权利要求14所述的前框结构的制作方法，其中，所述在钣金件两侧冲裁出若干卡扣结构包括：
    在钣金件两侧冲裁出若干由两相对的通槽及连接两通槽的第二预切槽所组成的卡扣结构。
  16. 根据权利要求14所述的前框结构的制作方法，其中，所述在钣金件两侧冲裁出若干卡扣结构包括：
    在钣金件两侧冲裁出若干曲线状的通槽，所述通槽围合形成一舌状筋板，所述通槽和舌状筋板组成卡扣结构。
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