WO2019095473A1 - 背光模块及背光模块的固定元件 - Google Patents

背光模块及背光模块的固定元件 Download PDF

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Publication number
WO2019095473A1
WO2019095473A1 PCT/CN2017/115641 CN2017115641W WO2019095473A1 WO 2019095473 A1 WO2019095473 A1 WO 2019095473A1 CN 2017115641 W CN2017115641 W CN 2017115641W WO 2019095473 A1 WO2019095473 A1 WO 2019095473A1
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WO
WIPO (PCT)
Prior art keywords
clamping
hole
reflective sheet
back plate
backlight module
Prior art date
Application number
PCT/CN2017/115641
Other languages
English (en)
French (fr)
Inventor
黄北洲
Original Assignee
惠科股份有限公司
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 惠科股份有限公司 filed Critical 惠科股份有限公司
Priority to US16/763,293 priority Critical patent/US20200310197A1/en
Publication of WO2019095473A1 publication Critical patent/WO2019095473A1/zh

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Classifications

    • 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
    • G02F1/133605—Direct backlight including specially adapted 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
    • G02F2201/00—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
    • G02F2201/46—Fixing elements
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F2201/00—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
    • G02F2201/46—Fixing elements
    • G02F2201/465—Snap -fit

Definitions

  • the present application relates to a fixing component of a backlight module, and more particularly to a fixing component for fixing a backlight module of a reflective sheet on a backboard.
  • liquid crystal display LCD
  • PDAs personal digital assistants
  • LCD liquid crystal display
  • laptops, digital cameras, digital camcorders, mobile phones, computer screens and LCD TVs and other electronic products PDAs
  • the liquid crystal display panel in the liquid crystal display is a non-self-luminous display panel, it is necessary to use the light source provided by the backlight module to generate a display function.
  • the display panel, the reflective sheet and the back sheet are relatively large, which makes the processing of the adhesive sheet on the back sheet difficult, and the reflective sheet is sticky. It is easy to produce unevenness after being attached to the back sheet. As a result, the overall illumination quality of the backlight module will be affected, resulting in a liquid crystal display that is prone to image mura.
  • the purpose of the present application is to provide a fixing component of a backlight module, which greatly eliminates the design of the design of sticking the reflective sheet to the backing plate by the adhesive, and can not only save the processing work of the adhesive. It can avoid the unevenness caused by the traditional reflective sheet after sticking to the back sheet. In this way, the overall illumination quality of the backlight module can be improved, and the phenomenon that the liquid crystal display is uneven due to the unevenness of the reflection sheet is generated, which is quite in line with the trend of the future liquid crystal display tending to a large size design.
  • the present invention provides a fixing component of a backlight module for fixing a reflective sheet on a back plate, and the reflective sheet and the back plate respectively have a reflective sheet through hole and a back plate through hole.
  • the fixing component of the backlight module comprises: a first clamping portion, a second clamping portion, a rod portion, and a cushion.
  • the first clamping portion has a first clamping surface and the second clamping portion has a second clamping surface.
  • the rod has a peripheral side and the rod is connected The first clamping portion and the second clamping portion, when the rod portion is located in the back plate through hole and the reflection piece through hole, the first clamping portion and the second clamping portion are exposed outside the back plate and the reflection sheet, and A clamping portion and a second clamping portion sandwich the reflective sheet and the back sheet.
  • the cushion is disposed on the first clamping surface, the second clamping surface, and the peripheral side surface.
  • the stem portion is a columnar structure.
  • the cushion is in contact with a portion of the back plate and a portion of the reflective sheet when the stem is positioned in the back plate through hole and the reflective sheet through hole.
  • the height of the stem is less than or equal to the sum of the thickness of the reflective sheet and the thickness of the backing.
  • first clamping portion, the second clamping portion, and the stem portion have an I-shaped configuration.
  • first clamping portion, the second clamping portion, and the stem portion are integrally formed.
  • the cushion has a cushioning surface that is in contact with a portion of the backsheet and a portion of the reflective sheet when the stem is positioned in the backsheet through-hole and the reflective sheet-through aperture.
  • the present application further provides a fixing component of the backlight module for fixing a reflective sheet on a backing plate.
  • the reflective sheet and the backing plate respectively have a reflective sheet through hole and a back plate through hole.
  • the fixing component of the backlight module comprises: a first clamping portion, a second clamping portion, a rod portion, and a cushion.
  • the first clamping portion has a first clamping surface and the second clamping portion has a second clamping surface.
  • the rod portion has a columnar structure and has a peripheral side surface, and the rod portion is connected to the first clamping portion and the second clamping portion.
  • the first clamping portion and the second portion When the rod portion is located in the back plate through hole and the reflection piece through hole, the first clamping portion and the second portion The clamping portion is exposed outside the back plate and the reflective sheet, and the first clamping portion and the second clamping portion sandwich the reflective sheet and the back plate.
  • the height of the rod portion is less than or equal to the thickness of the reflective sheet and the thickness of the reflective sheet. sum.
  • the cushion is disposed on the first clamping surface, the second clamping surface, and the peripheral side surface.
  • the cushion is in contact with a portion of the back plate and a portion of the reflective sheet when the stem is positioned in the back plate through hole and the reflective sheet through hole.
  • the cushion has a cushioning surface that is in contact with a portion of the backsheet and a portion of the reflective sheet when the stem is positioned in the backsheet through-hole and the reflective sheet-through aperture.
  • first clamping portion, the second clamping portion, and the stem portion have an I-shaped configuration.
  • first clamping portion, the second clamping portion, and the stem portion are integrally formed.
  • the present application also provides a backlight module, including: a back plate, a reflective sheet, and a fixing component.
  • the back plate has a back plate through hole
  • the reflective sheet is disposed on the back plate and has a reflective sheet through hole.
  • the fixing component is configured to fix the reflective sheet on the backboard, and the fixing component comprises a first clamping portion, a second clamping portion, a rod portion, and a cushion.
  • the first clamping portion has a first clamping surface and the second clamping portion has a second clamping surface.
  • the rod portion has a peripheral side surface, and the rod portion is connected to the first clamping portion and the second clamping portion, when the rod portion
  • the first clamping portion and the second clamping portion are exposed outside the back plate and the reflective sheet, and the first clamping portion and the second clamping portion sandwich the reflective sheet and Backboard.
  • the cushion is disposed on the first clamping surface, the second clamping surface, and the peripheral side surface.
  • the stem portion is a columnar structure.
  • the cushion is in contact with a portion of the back plate and a portion of the reflective sheet when the stem is positioned in the back plate through hole and the reflective sheet through hole.
  • the height of the stem is less than or equal to the sum of the thickness of the reflective sheet and the thickness of the backing.
  • first clamping portion, the second clamping portion, and the stem portion have an I-shaped configuration.
  • first clamping portion, the second clamping portion, and the stem portion are integrally formed.
  • the cushion has a cushioning surface that is in contact with a portion of the backsheet and a portion of the reflective sheet when the stem is positioned in the backsheet through-hole and the reflective sheet-through aperture.
  • the fixing component of the backlight module of the present application overcomes the problems of the prior art by the design of the first clamping portion, the rod portion, and the second clamping portion, so that the reflective sheet is fixed on the back plate.
  • the phenomenon that the liquid crystal display is uneven due to the unevenness of the reflection sheet is generated.
  • the design of the cushion pad on the first clamping surface, the second clamping surface, and the peripheral side surface can avoid damage to the backing plate and the reflective sheet during clamping and fixing.
  • FIG. 1 is a schematic view of an embodiment of a fixing component of a backlight module of the present application.
  • FIG. 2 is another schematic view of an embodiment of a fixing component of a backlight module of the present application.
  • FIG 3 is another schematic view of an embodiment of a fixing component of a backlight module of the present application.
  • FIG. 4 is another schematic view of an embodiment of a fixing component of a backlight module of the present application.
  • FIG. 5 is a schematic diagram of an embodiment of a fixing structure of a backlight module of the present application.
  • FIG. 6 is another schematic diagram of an embodiment of a fixing structure of a backlight module of the present application.
  • first and second are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, features defining “first” or “second” may include one or more of the described features either explicitly or implicitly.
  • a plurality means two or more unless otherwise stated.
  • the term “comprises” and its variations are intended to cover a non-exclusive inclusion.
  • connection In the description of the present application, it should be noted that the terms “installation”, “connected”, and “connected” are to be understood broadly, and may be fixed or detachable, for example, unless otherwise specifically defined and defined. Connected, or integrally connected; can be mechanical or electrical; can be directly connected, or indirectly connected through an intermediate medium, can be the internal communication of the two components.
  • Connected, or integrally connected can be mechanical or electrical; can be directly connected, or indirectly connected through an intermediate medium, can be the internal communication of the two components.
  • the specific meanings of the above terms in the present application can be understood in the specific circumstances for those skilled in the art.
  • FIG. 1 is a schematic view of an embodiment of a fixing component 1 of a backlight module of the present application.
  • 2 is another schematic view of an embodiment of the fixing component 1 of the backlight module of the present application.
  • FIG. 3 is a solid view of the backlight module of the present application A schematic representation of an embodiment of a component 5.
  • 4 is another schematic view of an embodiment of the fixing component 5 of the backlight module of the present application.
  • FIG. 5 is a schematic diagram of an embodiment of a fixing structure 6 of a backlight module of the present application.
  • FIG. 6 is another schematic diagram of an embodiment of the fixing structure 6 of the backlight module of the present application.
  • the fixing component 1 of the backlight module is used for fixing a reflective sheet 2 on a backing plate 3, which greatly eliminates the design flaw of the adhesive which adheres the reflective sheet to the backing plate.
  • the reflective sheet 2 has a reflective top surface 21 and a reflective bottom surface 22, and the back surface 3 has an opposite back surface 31 and a back surface 32.
  • the reflective sheet 2 further has a reflective through hole 23 penetrating through the top surface 21 of the reflective sheet and the bottom surface 22 of the reflective sheet.
  • the back plate 3 further has a back plate through hole 33 extending through the top surface 31 of the back plate and the bottom surface 32 of the back plate. The opening size of the through hole 23 corresponds to the opening size of the back plate through hole 33.
  • the fixing component 1 of the backlight module includes a first clamping portion 11, a second clamping portion 12, a stem portion 13, and a cushion pad 14.
  • the rod portion 13 connects the first clamping portion 11 and the second clamping portion 12.
  • the first clamping portion 11 has a first clamping surface 111
  • the second clamping portion 12 has a second clamping surface 121
  • the stem portion 13 has a peripheral side surface 131.
  • the peripheral side surface 131 connects the first clamping surface 111 and the second clamping surface 121
  • the first clamping surface 111 faces the second clamping surface 121 .
  • the rod portion 13 and the first clamping portion 11 further have a recessed hole 112.
  • the recessed hole 112 does not penetrate the second clamping portion 12, and the first clamping portion 11 may be a card bent toward the opening of the recessed hole 112. Hook structure. Since the rod portion 13 and the first clamping portion 11 have the recessed holes 112, the rod portion 13 and the first clamping portion 11 can be folded inwardly, so as to facilitate the user to the rod portion 13 and the first clamping portion 11 It is inserted into the reflection sheet through hole 23 and the back plate through hole 33.
  • the cushion pad 14 is disposed on the first clamping surface 111, the second clamping surface 121, and the peripheral side surface 131.
  • the user when the user wants to fix the reflective sheet 2 on the back sheet 3 , firstly, the user connects the bottom surface 22 of the reflective sheet with the reflective sheet through hole 23 and the back plate through hole 33 .
  • the top surface 31 of the board is in face-to-face contact.
  • the user inserts the rod portion 13 and the first holding portion 11 into the reflection sheet through hole 23 and the back plate through hole 33 in the direction of the arrow 4 in FIG. 1 . Since the recessed hole 112 provides a buffer space for bending and deforming the rod portion 13 and the first clamping portion 11 toward the center of the opening of the recessed hole 112, the user can easily insert the rod portion 13 and the first clamping portion 11 into the buffer space.
  • the reflection sheet through hole 23 and the back plate through hole 33 are formed. Then, as shown in FIG. 2, when the first clamping portion 11 passes through the reflective through hole 23 and the back plate through hole 33, and the rod portion 13 is located in the back plate through hole 33 and the reflection plate through hole 23, the first clamp The holding portion 11 and the second clamping portion 12 are respectively exposed on the bottom surface 32 of the backing plate and the top surface 21 of the reflecting sheet. At this time, the cushion pad 14 is in contact with a portion of the bottom surface 32 of the back plate and a portion of the top surface 21 of the reflective sheet. The first clamping portion 11 and the second clamping portion 12 sandwich the back sheet 3 of the reflective sheet 2 up to the fixed reflective sheet. 2 The purpose of the backing plate 3.
  • the technology of the embodiment is not limited thereto.
  • the first clamping portion 11, the second clamping portion 12 and the rod portion 13 are integrally formed, like the same dog bone structure.
  • the buffer pad 14 is located in the back plate through hole 33 and the reflection plate through hole 23 respectively, and is in contact with a part of the back plate bottom surface 32 and a part of the reflection sheet top surface 21, and the fixing component of the backlight module
  • the material of 1 may be a poly methylmethacrylate (PMMA) or a white material
  • the material of the cushion 14 is a plastic material such as rubber.
  • the height H1 of the rod portion 13 is equal to or slightly smaller than the sum of the thickness H2 of the reflection sheet 2 and the thickness H3 of the back sheet 3.
  • the outer shape of the cross section of any of the rod portions 13 in the normal direction of the arrow 4 corresponds to the opening shape of the reflection piece through hole 23 and the opening shape of the back plate through hole 33.
  • the outer shape of the cross section of any of the rod portions 13 in the normal direction of the arrow 4 is also circular.
  • the second clamping portion 12 further has a clamping portion top surface 122 opposite to the second clamping surface 121.
  • the clamping portion top surface 122 is an opening facing the second clamping surface 121. Bowl noodles or hemispheres. That is, the second clamping portion 12 is an inverted bowl-shaped structure or an upper hemispherical structure.
  • the fixing component 1 of the light-emitting module of the present application can overcome the problems of the prior art by the design of the first clamping portion 11, the second clamping portion 12 and the rod portion 13, so that the reflection sheet 2 can be It is fixed on the backboard 3 to improve the overall illumination quality of the backlight module, and avoids the phenomenon that the liquid crystal display is uneven in color due to the unevenness of the reflective sheet 2. Further, by the design of the cushion pad 14 on the first clamping surface 111, the second clamping surface 121, and the peripheral side surface 131, it is possible to prevent the reflection sheet 2 and the back sheet 3 from being damaged during the clamping and fixing.
  • the fixing component 5 of the backlight module is used to fix the reflective sheet 2 on the backboard 3, which greatly eliminates the design flaw of the conventional adhesive sheet to adhere the reflective sheet to the backboard.
  • the structure and arrangement of the reflection sheet 2 and the back sheet 3 are the same as those described above, and are not described herein again.
  • the fixing component 5 of the backlight module includes a first fixing portion 51, a second fixing portion 52, and a rod portion 53.
  • the rod portion 53 connects the first fixing portion 51 and the second fixing portion 52.
  • the second fixing portion 52 has a screw hole 521.
  • the rod portion 53 is provided with a threaded structure 531, and is screwed to the screw hole 521 to fix the first fixing portion 51 and the second fixing portion 52 to the reflection sheet 2 and the back plate 3.
  • the first fixing portion 51 may be configured as a cover to seal the reflection sheet through hole 23.
  • the cover body has a cover top surface 512 and a cover bottom surface 513 opposite to the cover top surface 512.
  • the cover bottom surface 513 faces the reflective sheet top surface 21, and the cover top surface 512 is a hemisphere with an opening facing the cover bottom surface 513. Structure.
  • the user when the user wants to fix the reflection sheet 2 on the back sheet 3, first, the user allows the reflection sheet bottom surface 22 and the back in such a manner that the reflection sheet through hole 23 and the back plate through hole 33 correspond to each other.
  • the top surface 31 of the board is in face-to-face contact.
  • the user inserts the rod portion 53 and the first fixing portion 51 into the reflection piece through hole 23 and the back plate through hole 33 in the direction of the arrow 4 in FIG. 3 . Then, as shown in FIG.
  • the first fixing portion 51 passes through the reflection sheet through hole 23 and the back plate through hole 33, and the rod portion 53 is located in the back plate through hole 33 and the reflection sheet through hole 23, the first fixing portion The 51 and the second fixing portion 52 are respectively exposed on the bottom surface 32 of the back plate and the top surface 21 of the reflection sheet.
  • the second fixing portion 52 has a screw hole 521, and the screw hole 521 and the screw structure 531 are screwed to each other, so that the first fixing portion 51 and the second fixing portion 52 fix the reflection sheet. 2 and back panel 3.
  • the first fixing portion 51 and the rod portion 53 are integrally formed; the first fixing portion 51 has a first fixing surface 511, The second fixing portion 52 has a second fixing surface 522 facing the first fixing surface 511.
  • the first fixing surface 511 and the second fixing surface 522 are used when the rod portion 53 is located in the back plate through hole 33 and the reflection plate through hole 23.
  • the surface of the back plate 32 and a portion of the top surface 21 of the reflective sheet are respectively in contact with each other, and the material of the fixing member 5 of the backlight module may be transparent acrylic (PMMA) or white material.
  • the fixing component 5 of the light-emitting module of the present application is designed by the first fixing portion 51 , the second fixing portion 52 , and the rod portion 53 , wherein the second fixing portion 52 has a screw hole 521 and a rod.
  • the portion 53 is provided with a threaded structure 531 and is screwed to the screw hole 521 to overcome the problems of the prior art, so that the reflection sheet 2 is fixed on the back plate 3 to improve the overall illumination quality of the backlight module, and the liquid crystal display is prevented from being uneven due to the reflection sheet. Produces a phenomenon in which the picture color is uneven.
  • the screw structure 531 being screwed to the screw hole 521, the tightness of the screw can be adjusted to avoid damage to the reflection sheet 2 and the back plate 3 due to unevenness of the fixing force.
  • the fixing structure 6 of the backlight module includes a reflective sheet 61 and a back plate 62 .
  • the reflective sheet 61 has a reflective top surface 612 and a reflective bottom surface 613.
  • the back surface 62 has an opposite back surface 622 and a back surface 623.
  • Two positioning members 611 are respectively disposed on both sides of the bottom surface 613 of the reflection sheet.
  • the back plate 62 is connected to the reflection sheet 61.
  • the two sides of the top surface 622 of the back plate are provided with two engaging portions 621.
  • the positioning member 611 is engaged with the engaging portion 621 so that the reflection sheet 61 and the back plate are opposite. 62 are fixed to each other.
  • the user wants to fix the reflective sheet 61 to the backing plate 62
  • the user brings the reflective sheet bottom surface 613 into face-to-face contact with the backing plate top surface 622.
  • the user follows the arrow 4 of Figure 5.
  • the direction of the positioning member 611 is inserted into the engaging portion 621.
  • the positioning member 611 is engaged with the engaging portion 621 to achieve the purpose of fixing the reflecting sheet 61 and the backing plate 62 to each other.
  • the positioning member 611 and the reflection sheet 61 are integrally formed; the positioning member 611 is a protruding member 611', and the engaging portion 621 is a
  • the recessed portion 621' has a telescopic elastic member 614.
  • the recessed portion 621' is provided with a groove 624.
  • the sheet 61 is a single-transmissive reflective sheet; and the backing plate 62 is made of a heat-dissipating material (for example, aluminum), which increases the heat dissipation path of the backlight module, thereby improving heat dissipation efficiency.
  • a heat-dissipating material for example, aluminum
  • the fixing structure 6 of the backlight module of the present application is provided with two positioning members 611 on two sides of the reflective sheet 61 , and two engaging portions 621 are disposed on two sides of the back plate 62 .
  • the positioning member 611 is engaged with the engaging portion 621 to overcome the problems of the prior art, so that the reflective sheet 61 and the backing plate 62 are fixed to each other to improve the overall light quality of the backlight module, and the liquid crystal display is prevented from being reflected by the reflective sheet.
  • Flatness produces a phenomenon in which the picture color is uneven.

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  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
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  • Optics & Photonics (AREA)
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Abstract

一种背光模块的固定元件(1) 及包括固定元件(1)的背光模块，固定元件（1）用以固定一反射片（2）于一背板（3）上，反射片（2）及背板（3）分别具有一反射片贯孔（23）及一背板贯孔（33）。背光模块的固定元件（1）包括：一第一夹持部（11）、一第二夹持部（12）、一杆部（13）、及一缓冲垫（14）。第一夹持部（11）具有一第一夹持面（(111），第二夹持部（12）具有一第二夹持面（121）。杆部（13）具有一外围侧面（131），杆部（13）连接第一夹持部（11）及第二夹持部（12），当杆部（13）位于背板贯孔（33）及反射片贯孔（23）中时，第一夹持部（11）及第二夹持部（12）裸露于背板（3）及反射片（2）外，且第一夹持部（11）及第二夹持部（12）夹住反射片（2）及背板（3）。缓冲垫（14）设置于第一夹持面（111）、第二夹持面（121）、及外围侧面（131）。

Description

背光模块及背光模块的固定元件 技术领域
本申请是有关于一种背光模块的固定元件，特别是有关于一种用以固定反射片于背板上的背光模块的固定元件。
背景技术
随着液晶显示器(liquid crystal display，LCD)制作技术快速的进步，以及其具备有轻薄、省电及无辐射线等优点，使得液晶显示器大量地被应用于个人数字助理器(personal digitalassistant，PDA)、笔记本电脑、数字相机、数字摄录像机、移动电话、计算机屏幕及液晶电视等各式电子产品中。但由于液晶显示器中的液晶显示面板为非自发光性的显示面板，需要借助背光模块所提供的光源才能产生显示的功能。
在现今液晶显示器日益趋向大尺寸之设计潮流下，由于显示面板、反射片及背板的面积相对地变大，导致黏贴反射片于背板上的加工工程显得困难许多，且反射片于黏贴在背板后容易产生凹凸不平的现象。如此一来，背光模块的整体发光质量将会受到影响，导致液晶显示器容易产生画面颜色不均(mura)的现象。
发明内容
有鉴于此，本申请的目的就是在提供一种背光模块的固定元件，大大地摆脱传统上以黏胶将反射片黏贴于背板上的设计的羁绊，不仅可以省去黏胶的加工工程，更可以避免产生传统的反射片于黏贴在背板后所产生的不平整的现象。如此一来，可以提升背光模块的整体发光质量，避免液晶显示器因反射片不平整而产生画面颜色不均(mura)的现象，相当符合未来液晶显示器趋向大尺寸设计的潮流。
本申请提出一种背光模块的固定元件，用以固定一反射片于一背板上,反射片及背板分别具有一反射片贯孔及一背板贯孔。背光模块的固定元件包括：一第一夹持部、一第二夹持部、一杆部、及一缓冲垫。第一夹持部具有一第一夹持面，第二夹持部具有一第二夹持面。杆部具有一外围侧面，杆部连接 第一夹持部及第二夹持部,当杆部位于背板贯孔及反射片贯孔中时,第一夹持部及第二夹持部裸露于背板及反射片外,且第一夹持部及第二夹持部夹住反射片及背板。缓冲垫设置于第一夹持面、第二夹持面、及外围侧面。
在一实施例中，杆部为一柱状结构。
在一实施例中，缓冲垫于杆部位于背板贯孔及反射片贯孔中时分别与部分的背板及部分的反射片的表面接触。
在一实施例中，杆部的高度小于等于反射片的厚度及背板的厚度的总和。
在一实施例中，第一夹持部、第二夹持部、及杆部是呈I字型结构。
在一实施例中，第一夹持部、第二夹持部、及杆部为一体成型的结构。
在一实施例中，缓冲垫具有一缓冲表面，缓冲表面于杆部位于背板贯孔及反射片贯孔中时分别与部分的背板及部分的反射片的表面接触。
本申请还提出一种背光模块的固定元件，用以固定一反射片于一背板上,该反射片及该背板分别具有一反射片贯孔及一背板贯孔。背光模块的固定元件包括：一第一夹持部、一第二夹持部、一杆部、及一缓冲垫。第一夹持部具有一第一夹持面，第二夹持部具有一第二夹持面。杆部为一柱状结构且有一外围侧面，杆部连接第一夹持部及第二夹持部,当杆部位于背板贯孔及反射片贯孔中时,第一夹持部及第二夹持部裸露于背板及反射片外,且第一夹持部及第二夹持部夹住反射片及背板，杆部的高度小于等于该反射片的厚度及该背板的厚度的总和。缓冲垫设置于第一夹持面、第二夹持面、及外围侧面。
在一实施例中，缓冲垫于杆部位于背板贯孔及反射片贯孔中时分别与部分的背板及部分的反射片的表面接触。
在一实施例中，缓冲垫具有一缓冲表面，缓冲表面于杆部位于背板贯孔及反射片贯孔中时分别与部分的背板及部分的反射片的表面接触。
在一实施例中，第一夹持部、第二夹持部、及杆部是呈I字型结构。
在一实施例中，第一夹持部、第二夹持部、及杆部为一体成型的结构。
本申请还提出一种背光模块，包括：一背板、一反射片、及一固定元件。背板具有一背板贯孔，反射片设置于背板上并具有一反射片贯孔。固定元件用以固定反射片于背板上，固定元件包括一第一夹持部、一第二夹持部、一杆部、及一缓冲垫。第一夹持部具有一第一夹持面，第二夹持部具有一第二夹持面。杆部具有一外围侧面，杆部连接第一夹持部及第二夹持部,当杆部位 于背板贯孔及反射片贯孔中时,第一夹持部及第二夹持部裸露于背板及反射片外,且第一夹持部及第二夹持部夹住反射片及背板。缓冲垫设置于第一夹持面、第二夹持面、及外围侧面。
在一实施例中，杆部为一柱状结构。
在一实施例中，缓冲垫于杆部位于背板贯孔及反射片贯孔中时分别与部分的背板及部分的反射片的表面接触。
在一实施例中，杆部的高度小于等于反射片的厚度及背板的厚度的总和。
在一实施例中，第一夹持部、第二夹持部、及杆部是呈I字型结构。
在一实施例中，第一夹持部、第二夹持部、及杆部为一体成型的结构。
在一实施例中，缓冲垫具有一缓冲表面，缓冲表面于杆部位于背板贯孔及反射片贯孔中时分别与部分的背板及部分的反射片的表面接触。
综上所述，本申请的背光模块的固定元件，借由第一夹持部、杆部、及第二夹持部的设计，可克服先前技术的问题，使反射片固定于背板上，以提升背光模块的整体发光质量，避免液晶显示器因反射片不平整而产生画面颜色不均的现象。此外，借由缓冲垫设置于第一夹持面、第二夹持面、及外围侧面的设计，可避免在夹持固定时使背板及反射片受到损伤。
附图说明
所包括的附图用来提供对本申请实施例的进一步的理解，其构成了说明书的一部分，用于例示本申请的实施方式，并与文字描述一起来阐释本申请的原理。显而易见地，下面描述中的附图仅仅是本申请的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动性的前提下，还可以根据这些附图获得其他的附图。在附图中：
图1为本申请背光模块的固定元件的实施例的示意图。
图2为本申请背光模块的固定元件的实施例的另一示意图。
图3为本申请背光模块的固定元件的实施例的另一示意图。
图4为本申请背光模块的固定元件的实施例的另一示意图。
图5为本申请背光模块的固定结构的实施例的示意图。
图6为本申请背光模块的固定结构的实施例的另一示意图。
具体实施方式
这里所公开的具体结构和功能细节仅仅是代表性的，并且是用于描述本申请的示例性实施例的目的。但是本申请可以通过许多替换形式来具体实现，并且不应当被解释成仅仅受限于这里所阐述的实施例。
在本申请的描述中，需要理解的是，术语“中心”、“横向”、“上”、“下”、“左”、“右”、“竖直”、“水平”、“顶”、“底”、“内”、“外”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本申请和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本申请的限制。此外，术语“第一”、“第二”仅用于描述目的，而不能理解为指示或暗示相对重要性或者隐含指明所指示的技术特征的数量。由此，限定有“第一”、“第二”的特征可以明示或者隐含地包括一个或者更多个所述特征。在本申请的描述中，除非另有说明，“多个”的含义是两个或两个以上。另外，术语“包括”及其任何变形，意图在于覆盖不排他的包含。
在本申请的描述中，需要说明的是，除非另有明确的规定和限定，术语“安装”、“相连”、“连接”应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或一体地连接；可以是机械连接，也可以是电连接；可以是直接相连，也可以通过中间媒介间接相连，可以是两个元件内部的连通。对于本领域的普通技术人员而言，可以具体情况理解上述术语在本申请中的具体含义。
这里所使用的术语仅仅是为了描述具体实施例而不意图限制示例性实施例。除非上下文明确地另有所指，否则这里所使用的单数形式“一个”、“一项”还意图包括复数。还应当理解的是，这里所使用的术语“包括”和/或“包含”规定所陈述的特征、整数、步骤、操作、单元和/或组件的存在，而不排除存在或添加一个或更多其他特征、整数、步骤、操作、单元、组件和/或其组合。
以下将参照相关图式，说明依本申请液晶显示装置的实施例，其中相同的元件将以相同的参照符号加以说明。
图1为本申请背光模块的固定元件1的实施例的示意图。图2为本申请背光模块的固定元件1的实施例的另一示意图。图3为本申请背光模块的固 定元件5的实施例的示意图。图4为本申请背光模块的固定元件5的实施例的另一示意图。图5为本申请背光模块的固定结构6的实施例的示意图。图6为本申请背光模块的固定结构6的实施例的另一示意图。
参见图1及图2，背光模块的固定元件1用以固定一反射片2于一背板3上，大大地摆脱传统以黏胶将反射片黏贴于背板上的设计的羁绊。反射片2具有相对的一反射片顶面21及一反射片底面22，背板3具有相对的一背板顶面31及一背板底面32。反射片2更具有一贯穿反射片顶面21及反射片底面22的反射片贯孔23，背板3更具有一贯穿背板顶面31及背板底面32的背板贯孔33，反射片贯孔23的开口大小对应于背板贯孔33的开口大小。
背光模块的固定元件1包括一第一夹持部11、一第二夹持部12、一杆部13、及一缓冲垫14。杆部13连接第一夹持部11及第二夹持部12。第一夹持部11具有一第一夹持面111，而第二夹持部12具有一第二夹持面121，且杆部13具有一外围侧面131。外围侧面131连接第一夹持面111及第二夹持面121，第一夹持面111面向第二夹持面121。杆部13及第一夹持部11更具有一凹孔112，凹孔112并未贯穿第二夹持部12，且第一夹持部11可以是一往凹孔112的开口旁弯曲的卡勾结构。由于杆部13及第一夹持部11具有凹孔112，使得杆部13及第一夹持部11变得可向内收合，以利于使用者将杆部13及第一夹持部11插入于反射片贯孔23与背板贯孔33中。缓冲垫14设置于第一夹持面111、第二夹持面121、及外围侧面131。
如图1所示，当使用者欲固定反射片2于背板3上时，首先，使用者以反射片贯孔23与背板贯孔33相对应而连通的方式让反射片底面22与背板顶面31面对面接触。接着，使用者沿着图1的箭头4的方向将杆部13及第一夹持部11插入于反射片贯孔23与背板贯孔33中。由于凹孔112提供一可以让杆部13及第一夹持部11向凹孔112的开口中心弯曲且变形的缓冲空间，故使用者很容易将杆部13及第一夹持部11插入于反射片贯孔23与背板贯孔33中。然后，如图2所示，当第一夹持部11通过反射片贯孔23与背板贯孔33，且杆部13位于背板贯孔33及反射片贯孔23中时，第一夹持部11及第二夹持部12分别裸露于背板底面32及反射片顶面21上。此时，缓冲垫14与部分的背板底面32及部分的反射片顶面21接触，第一夹持部11及第二夹持部12上下夹住反射片2背板3，达到固定反射片2于背板3上的目的。
然本领域技术人员也可以明了本实施例的技术并不局限在此，例如，第一夹持部11、第二夹持部12及杆部13为一体成型的结构，俨然如同一狗骨头结构或一”I”字型结构，缓冲垫14位于背板贯孔33及反射片贯孔23中时分别与部分的背板底面32及部分的反射片顶面21接触，且背光模块的固定元件1的材质可以是透明压克力(poly methylmethacrylate，PMMA)或白色材料，缓冲垫14的材质为可塑性材料，例如橡胶。此外，杆部13的高度H1等于或略小于反射片2的厚度H2及背板3的厚度H3的总和。另外，杆部13的任一以箭头4为法线方向的截面的外围形状对应于反射片贯孔23的开口形状及背板贯孔33的开口形状。当反射片贯孔23的开口形状及背板贯孔33的开口形状皆为圆形时，杆部13的任一以箭头4为法线方向的截面的外围形状也为圆形。在本实施例中，第二夹持部12更具有一与第二夹持面121相对且相连的夹持部顶面122，夹持部顶面122为一开口朝向第二夹持面121的碗面或半球面。也就是说，第二夹持部12为一倒立的碗状结构或一上半球结构。
由图1及图2可知，本申请发光模块的固定元件1，借由第一夹持部11、第二夹持部12及杆部13的设计，可克服先前技术的问题，使反射片2固定于背板3上，以提升背光模块的整体发光质量，避免液晶显示器因反射片2不平整而产生画面颜色不均的现象。此外，借由缓冲垫14设置于第一夹持面111、第二夹持面121、及外围侧面131的设计，可避免在夹持固定时使反射片2及背板3受到损伤。
参见图3及图4，背光模块的固定元件5用以固定反射片2于背板3上，大大地摆脱传统以黏胶将反射片黏贴于背板上的设计的羁绊。反射片2及背板3的结构与配置方式同前所述，于此不再赘述。
背光模块的固定元件5包括一第一固定部51、一第二固定部52、及一杆部53。杆部53连接第一固定部51及第二固定部52。第二固定部52具有一螺孔521，当杆部53位于背板贯孔33及反射片贯孔23中时，第一固定部51及第二固定部52裸露于反射片2及背板3外，且杆部53设置有一螺纹结构531，与螺孔521螺接，以使第一固定部51及第二固定部52固定住反射片2及背板3。第一固定部51可配置作为盖体，以封住反射片贯孔23。盖体具有一盖体顶面512及一与盖体顶面512相对的盖体底面513，盖体底面513面向反射片顶面21，盖体顶面512为一开口朝向盖体底面513的半球状结构。
如图3所示，当使用者欲固定反射片2于背板3上时，首先，使用者以反射片贯孔23与背板贯孔33相对应而连通的方式让反射片底面22与背板顶面31面对面接触。接着，使用者沿着图3的箭头4的方向将杆部53及第一固定部51插入于反射片贯孔23与背板贯孔33中。然后，如图4所示，当第一固定部51通过反射片贯孔23与背板贯孔33，且杆部53位于背板贯孔33及反射片贯孔23中时，第一固定部51及第二固定部52分别裸露于背板底面32及反射片顶面21上。此时，由于杆部53设置有螺纹结构531，第二固定部52具有螺孔521，螺孔521与螺纹结构531彼此螺接，使第一固定部51及第二固定部52固定住反射片2及背板3。
然本领域技术人员也可以明了本实施例的技术并不局限在此，例如，第一固定部51及杆部53为一体成型的结构；第一固定部51具有一第一固定面511，第二固定部52具有一面向第一固定面511的第二固定面522，第一固定面511及第二固定面522用以于杆部53位于背板贯孔33及反射片贯孔23中时分别与部分的背板底面32及部分的反射片顶面21接触，且背光模块的固定元件5的材质可以是透明压克力(PMMA)或白色材料。
由图3及图4可知，本申请发光模块的固定元件5，借由第一固定部51、第二固定部52、及杆部53的设计，其中第二固定部52具有螺孔521，杆部53设置有螺纹结构531与螺孔521螺接，可克服先前技术的问题，使反射片2固定于背板3上，以提升背光模块的整体发光质量，避免液晶显示器因反射片不平整而产生画面颜色不均的现象。此外，借由螺纹结构531以螺接方式固定至螺孔521的设计，可调控螺接的松紧度，避免因固定力道不均而造成反射片2及背板3受到损伤。
参见图5及图6，背光模块的固定结构6包括一反射片61及一背板62。反射片61具有相对的一反射片顶面612及一反射片底面613，背板62具有相对的一背板顶面622及一背板底面623。在反射片底面613的两侧分别设置有两个定位件611。背板62与反射片61连接，背板顶面622的两侧设置有两个卡合部621，所述定位件611与所述卡合部621对应卡合，以使反射片61与背板62彼此固定。
如图5所示，当使用者欲固定反射片61于背板62时，首先，使用者让反射片底面613与背板顶面622面对面接触。接着，使用者沿着图5的箭头4 的方向将定位件611插入于卡合部621中。此时，定位件611与卡合部621对应卡合，达到反射片61与背板62彼此固定的目的。
然本领域技术人员也可以明了本实施例的技术并不局限在此，例如，定位件611及反射片61为一体成型的结构；定位件611为一凸件611’，卡合部621为一凹陷部621’；凸件611’具有一伸缩弹性元件614，凹陷部621’设置有一沟槽624，当反射片61与背板62彼此固定时，伸缩弹性元件614卡入沟槽624中；反射片61为单透式反射片；及背板62的材质为散热性材质(例如铝材)，增加背光模组的散热途径，从而提高散热效率。
由图5及图6可知，本申请背光模块的固定结构6，借由在反射片61的两侧分别设置有两个定位件611，背板62的两侧设置有两个卡合部621，所述定位件611与所述卡合部621对应卡合，可克服先前技术的问题，使反射片61与背板62彼此固定，以提升背光模块的整体发光质量，避免液晶显示器因反射片不平整而产生画面颜色不均的现象。
以上内容是结合具体的实施方式对本申请所作的进一步详细说明，不能认定本申请的具体实施只局限于这些说明。对于本申请所属技术领域的普通技术人员来说，在不脱离本申请构思的前提下，还可以做出若干简单推演或替换，都应当视为属于本申请的保护范围。

Claims (19)

  1. 一种背光模块的固定元件，用以固定一反射片于一背板上,所述反射片及所述背板分别具有一反射片贯孔及一背板贯孔，所述背光模块的固定元件包括：
    一第一夹持部及一第二夹持部，所述第一夹持部具有一第一夹持面，所述第二夹持部具有一面向所述第一夹持面的第二夹持面；
    一杆部,具有一外围侧面，连接所述第一夹持面及所述第二夹持面，所述杆部连接所述第一夹持部及所述第二夹持部,当所述反射片以所述反射片贯孔与所述背板贯孔相对应而连通的方式与所述背板接触,且所述杆部位于所述背板贯孔及所述反射片贯孔中时,所述第一夹持部及所述第二夹持部裸露于所述背板及所述反射片外,且所述第一夹持部及所述第二夹持部夹住所述反射片及所述背板；以及
    一缓冲垫，设置于所述第一夹持面、所述第二夹持面、及所述外围侧面。
  2. 如权利要求1所述的背光模块的固定元件，其中所述杆部为一柱状结构。
  3. 如权利要求2所述的背光模块的固定元件，其中所述缓冲垫于所述杆部位于所述背板贯孔及所述反射片贯孔中时分别与部分的所述背板及部分的所述反射片的表面接触。
  4. 如权利要求1所述的背光模块的固定元件，其中所述杆部的高度小于等于所述反射片的厚度及所述背板的厚度的总和。
  5. 如权利要求1所述的背光模块的固定元件，其中所述第一夹持部、所述第二夹持部、及所述杆部是呈I字型结构。
  6. 如权利要求1所述的背光模块的固定元件，其中所述第一夹持部、所述第二夹持部、及所述杆部为一体成型的结构。
  7. 如权利要求3所述的背光模块的固定元件，其中所述缓冲垫具有一缓冲表面，所述缓冲表面于所述杆部位于所述背板贯孔及所述反射片贯孔中时分别与部分的所述背板及部分的所述反射片的表面接触。
  8. 一种背光模块的固定元件，用以固定一反射片于一背板上,所述反射片及所述背板分别具有一反射片贯孔及一背板贯孔，所述背光模块的固定元件包括：
    一第一夹持部及一第二夹持部，所述第一夹持部具有一第一夹持面，所述第二夹持部具有一面向所述第一夹持面的第二夹持面；
    一杆部,为一柱状结构，所述杆部具有一外围侧面，连接所述第一夹持面及所述第二夹持面，所述杆部连接所述第一夹持部及所述第二夹持部,当所述反射片以所述反射片贯孔与所述背板贯孔相对应而连通的方式与所述背板接触,且所述杆部位于所述背板贯孔及所述反射片贯孔中时,所述第一夹持部及所述第二夹持部裸露于所述背板及所述反射片外,且所述第一夹持部及所述第二夹持部夹住所述反射片及所述背板，所述杆部的高度小于等于所述反射片的厚度及所述背板的厚度的总和；以及
    一缓冲垫，设置于所述第一夹持面、所述第二夹持面、及所述外围侧面。
  9. 如权利要求8所述的背光模块的固定元件，其中所述缓冲垫于所述杆部位于所述背板贯孔及所述反射片贯孔中时分别与部分的所述背板及部分的所述反射片的表面接触。
  10. 如权利要求9所述的背光模块的固定元件，其中所述缓冲垫具有一缓冲表面，所述缓冲表面于所述杆部位于所述背板贯孔及所述反射片贯孔中时分别与部分的所述背板及部分的所述反射片的表面接触。
  11. 如权利要求8所述的背光模块的固定元件，其中所述第一夹持部、所述第二夹持部、及所述杆部是呈I字型结构。
  12. 如权利要求8所述的背光模块的固定元件，其中所述第一夹持部、所述第二夹持部、及所述杆部为一体成型的结构。
  13. 一种背光模块，包括：
    一背板，具有一背板贯孔；
    一反射片，设置于所述背板上，所述反射片具有一反射片贯孔；以及
    一固定元件，用以固定所述反射片于所述背板上，所述固定元件包括：
    一第一夹持部及一第二夹持部，所述第一夹持部具有一第一夹持面，所述第二夹持部具有一面向所述第一夹持面的第二夹持面；
    一杆部,所述杆部具有一外围侧面，连接所述第一夹持面及所述第二夹持面，所述杆部连接所述第一夹持部及所述第二夹持部,当所述反射片以所述反射片贯孔与所述背板贯孔相对应而连通的方式与所述背板接触,且所述杆部位于所述背板贯孔及所述反射片贯孔中时,所述第一夹持部及所述第二夹持部裸 露于所述背板及所述反射片外,且所述第一夹持部及所述第二夹持部夹住所述反射片及所述背板；以及
    一缓冲垫，设置于所述第一夹持面、所述第二夹持面、及所述外围侧面。
  14. 如权利要求13所述的背光模块，其中所述杆部为一柱状结构。
  15. 如权利要求14所述的背光模块，其中所述缓冲垫于所述杆部位于所述背板贯孔及所述反射片贯孔中时分别与部分的所述背板及部分的所述反射片的表面接触。
  16. 如权利要求13所述的背光模块，其中所述杆部的高度小于等于所述反射片的厚度及所述背板的厚度的总和。
  17. 如权利要求13所述的背光模块，其中所述第一夹持部、所述第二夹持部、及所述杆部是呈I字型结构。
  18. 如权利要求13所述的背光模块，其中所述第一夹持部、所述第二夹持部、及所述杆部为一体成型的结构。
  19. 如权利要求15所述的背光模块，其中所述缓冲垫具有一缓冲表面，所述缓冲表面于所述杆部位于所述背板贯孔及所述反射片贯孔中时分别与部分的所述背板及部分的所述反射片的表面接触。
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