CN106647027B - A kind of backlight module and liquid crystal display die set - Google Patents

A kind of backlight module and liquid crystal display die set Download PDF

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Publication number
CN106647027B
CN106647027B CN201611181223.8A CN201611181223A CN106647027B CN 106647027 B CN106647027 B CN 106647027B CN 201611181223 A CN201611181223 A CN 201611181223A CN 106647027 B CN106647027 B CN 106647027B
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CN
China
Prior art keywords
support arm
light guide
guide plate
center
fastener
Prior art date
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Application number
CN201611181223.8A
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Chinese (zh)
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CN106647027A (en
Inventor
俞刚
李德华
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 Huaxing Photoelectric Technology Co Ltd
Original Assignee
Shenzhen China Star Optoelectronics Technology Co Ltd
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Priority to CN201611181223.8A priority Critical patent/CN106647027B/en
Publication of CN106647027A publication Critical patent/CN106647027A/en
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    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1335Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336Illuminating devices
    • G02F1/133615Edge-illuminating devices, i.e. illuminating from the side
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1335Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336Illuminating devices
    • G02F1/133602Direct backlight
    • G02F1/133608Direct backlight including particular frames or supporting means

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  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Planar Illumination Modules (AREA)

Abstract

The present invention provides a kind of backlight modules, including center, backboard set on center lower end, reflector plate in center, light guide plate and optical diaphragm, at least one fastener for being fixed on light guide plate in center is provided on the edge of the light guide plate, joint portion is equipped on the side side opposite with light guide plate in center, a fastener side surface opposite with joint portion is equipped with insertion section, the insertion section is corresponding with joint portion position, insertion section is inserted into joint portion, the side opposite with light guide plate is equipped with embedded division on fastener, in the edge insertion embedded division of light guide plate.It further include the backlight module the present invention also provides a kind of liquid crystal display die set.Compared with prior art, the limit of light guide plate in the Z-axis direction is realized, ensure that the fixation in the space of limitation to light guide plate, improves the reasonable reliability of component design, but also can guarantee the uniformity of backlight assembly light.

Description

A kind of backlight module and liquid crystal display die set
Technical field
The present invention relates to a kind of liquid crystal surface template die group technology, especially a kind of backlight module and liquid crystal display die set.
Background technique
Currently, since thickness direction (Z-direction) space is limited, therefore being needed structure for ultra-thin liquid crystal display die group It is designed more compact, but in current structure design, is assembled or by the way of traditional, i.e., first put panel Be placed on workbench, then contraposition installation center, place into after optical diaphragm, light guide plate, sheet emitting and cover backboard again, fixed base Plate finally installs front frame, this is easy for the problem for causing connection relationship unstable, and will appear the connection of light guide plate and center Position has differences, and leads to the non-uniform situation of light.
Summary of the invention
In order to overcome the deficiencies of the prior art, the present invention provides a kind of backlight module and liquid crystal display die set, exists to realize Accurate positioning is realized to light guide plate and center in ultra-thin liquid crystal display die group, and structure is simple.
The present invention provides a kind of backlight modules, including center, set on the backboard of center lower end, the reflection in center Piece, light guide plate and optical diaphragm are provided at least one on the edge of the light guide plate for light guide plate to be fixed on center In fastener, joint portion is equipped on the side side opposite with light guide plate in center, the fastener is opposite with joint portion A side surface be equipped with insertion section, the insertion section is corresponding with joint portion position, insertion section insertion joint portion in, engaging The side opposite with light guide plate is equipped with embedded division on part, and the edge of light guide plate is inserted into embedded division.
Further, the fastener is " Contraband " shape structure comprising two first support arms parallel with the surface of light guide plate And the second support arm of two first support arms of connection, second support arm is vertically arranged with first support arm, and second support arm is set on two the One support arm is formed after being connected by two first support arms with second support arm close to one end of center, embedded division, and insertion section is set to second On the support arm side side opposite with center.
Further, the insertion section is set to the lower end of second support arm, joint portion setting with insertion section position phase Corresponding position.
Further, the fastener is an integral molding structure with insertion section.
Further, the insertion section is laminated structure.
Further, the fastener includes a third support arm parallel with the surface of light guide plate, is set to third support arm The 4th support arm on one end of center, the 4th support arm is vertical with third support arm, and third support arm extends towards backboard direction, described 4th support arm forms " L " font after connecting with third support arm, and the embedded division is formed after being connect by third support arm with the 4th support arm, The third support arm is equipped with hole, and joint portion is oppositely arranged with hole, and the insertion section is screw, and joint portion is screw hole, fastener It is threadedly coupled by screw with screw hole, realization is fixed light guide plate and center by fastener.
Further, the 4th support arm is equipped with the protrusion protruded towards center, and hole is set at protrusion.
Further, side side opposite with the 4th support arm in the center is equipped with compatible with lobe shape recessed Portion, screw hole are set on recess portion and hole site corresponding section.
Further, the protrusion is set to the middle part of the 4th support arm.
It further include the backlight module the present invention also provides a kind of liquid crystal display die set.
Compared with prior art, the present invention light guide plate and center are fixed by fastener, by fastener Joint portion on insertion section and center is attached, and realizes the limit of light guide plate in the Z-axis direction, so that light guide plate is consolidated It is scheduled in center, ensure that the fixation in the space of limitation to light guide plate, improve the reasonable reliability of component design, and It can also guarantee the uniformity of backlight assembly light.
Detailed description of the invention
Fig. 1 is stereogram exploded view of the invention;
Fig. 2 is the partial structural diagram of the embodiment of the present invention 1;
Fig. 3 is the cross-sectional view of 1 fastener of the embodiment of the present invention;
Fig. 4 is the partial sectional view of the embodiment of the present invention 1;
Fig. 5 is the structural schematic diagram of 1 fastener of the embodiment of the present invention;
Fig. 6 is the partial sectional view of the embodiment of the present invention 2;
Fig. 7 is the cross-sectional view of 2 fastener of the embodiment of the present invention.
Specific embodiment
Invention is further described in detail with reference to the accompanying drawings and examples.
As shown in Figure 1, Figure 2, Figure 3 and Figure 4, backlight module includes center 1, the backboard 2 on 1 lower end surface of center, sets Optical diaphragm 5, light guide plate 4, the reflector plate 3 stacked gradually under upper in center 1, LED backlight is according to liquid crystal display mode The type of group is arranged in center 1, is pasted onto after the completion of above-mentioned component assembling, then by liquid crystal display panel 17 by double-sided adhesive etc. On the upper surface of center 1 and front frame is installed, at least one is provided on the edge of light guide plate 4 for light guide plate 4 to be fixed on Fastener 7 in center 1, preferably at least opposite both sides of the edge are equipped with fastener 7, opposite with light guide plate 4 in center 1 Side side be equipped with joint portion 6, the fastener 7 side surface opposite with joint portion 6 be equipped with insertion section 8, be inserted into Portion 8 is corresponding with 6 position of joint portion, and the side opposite with light guide plate 4 is equipped with embedded division 9, the side of light guide plate 4 on fastener 7 Edge is inserted into embedded division 9, then insertion section 8 is inserted into joint portion 6 to the (Z-direction in the Z-axis direction realized to light guide plate 4 For the direction perpendicular to 4 surface of light guide plate) limit fixation.
As shown in Figure 2, Figure 3 and Figure 4, fastener 7 is " Contraband " shape structure in embodiment 1, and fastener 7 includes two and leaded light The parallel first support arm 10 in the surface of plate 4 and the second support arm 11 for connecting two first support arms 10, second support arm 11 and first Support arm 10 is vertically arranged, and second support arm 11 is set to two first support arms 10 close to one end of center 1, two first support arms 10 and the Embedded division 9 is formed after the connection of two support arms 11, the opening direction and light guide plate 4 of embedded division 9 are opposite, and insertion section 8 is set to second support arm On the 11 side sides opposite with center 1.
As a kind of preferred embodiment of embodiment 1, as shown in Fig. 3, Figure 4 and 5, insertion section 8 is set under second support arm 11 Hold (i.e. side opposite with backboard 4 on center 1), the joint portion 6 setting with 8 position corresponding section of insertion section, joint portion 6 For the slot being provided at 1 lower edge of center;The fastener 7 can be an integral molding structure with insertion section 8, in second support arm 11 On be provided with through slot 18, through slot is " Jiong " font, so that a separation unit 19 is formed in second support arm 11, by separation unit 19 in The side of frame 1 is bent to parallel with first support arm 10, to form insertion section 8, insertion section 8 is laminated structure;The fastener 7 It is made of stainless steel.
As shown in Figure 6 and Figure 7, the fastener 7 in embodiment 2 includes a third branch parallel with the surface of light guide plate 4 Arm 12, the 4th support arm 13 set on third support arm 12 on one end of center 1, the 4th support arm 13 is vertical with third support arm 12, Third support arm 12 extends towards 2 direction of backboard, and the 4th support arm 13 forms " L " word after connecting with the upper end of third support arm 12 Shape, from Fig. 7, " L " font for rotating clockwise 180 degree for one, third support arm 12 connect with the 4th support arm 13 after at it Be formed in side with opening in embedded division 9 (i.e. the left side of Fig. 7), the third support arm 12 be equipped with hole 14, joint portion 6 with Hole 14 is oppositely arranged, and insertion section 8 is screw at this, and joint portion 6 is screw hole, and fastener 7 is threadedly coupled by screw with screw hole, real It is now by fastener 7 that light guide plate 4 and center 1 is fixed, specifically, third support arm 12 is pressed after fastener 7 is fixed on center 1 In the upper surface (i.e. on the side surface opposite with optical diaphragm 5 of light guide plate 4) of light guide plate 4, in this way, realize guide-lighting The limit and fixation of plate 4 in the Z-axis direction.
For the ease of installing and aligning, as shown in fig. 7, the 4th support arm 12 is equipped with the protrusion 15 protruded towards center 1, hole 14 are set at protrusion 15, and the side side opposite with the 4th support arm 12 is equipped with compatible with 15 shape of protrusion recessed in center 1 Portion 16, screw hole are set on recess portion 16 and 14 position corresponding section of hole, it is preferable that protrusion 15 is set to the middle part of the 4th support arm 12, hole 14 are set to the middle part of protrusion 15.
As shown in Figure 1, a kind of liquid crystal display die set of this hair, further includes above-mentioned backlight module, liquid crystal display panel 17 passes through Double-sided adhesive etc. is pasted on the upper surface of center 1.
The present invention is relatively fixed at light guide plate together with center 1 by fastener, light guide plate can be prevented in Z in this way Axis direction is shaken back and forth, realizes the accurate positioning of light guide plate and center, is determined so as to be reliably achieved light guide plate and be fixed Position, and the difference of center connecting portion reduces, and keeps the light source of backlight assembly uniform.
Although the present invention has shown and described referring to specific embodiment, it should be appreciated by those skilled in the art that: In the case where not departing from the spirit and scope of the present invention being defined by the claims and their equivalents, can carry out herein form and Various change in details.

Claims (9)

1. a kind of backlight module, including center (1), the backboard (2) for being set to center (1) lower end, the reflector plate being set in center (1) (3), light guide plate (4) and optical diaphragm (5), it is characterised in that: be provided at least one use on the edge of the light guide plate (4) In the fastener (7) being fixed on light guide plate (4) in center (1), the side side opposite with light guide plate (4) in center (1) It is equipped with joint portion (6), the fastener (7) and joint portion (6) opposite side surface are equipped with insertion section (8), described to insert It is corresponding with joint portion (6) position to enter portion (8), insertion section (8) are inserted into joint portion (6), on fastener (7) and light guide plate (4) opposite side is equipped with embedded division (9), and in edge insertion embedded division (9) of light guide plate (4), the fastener (7) is " Contraband " Shape structure comprising two first support arms (10) of two first support arms (10) parallel with the surface of light guide plate (4) and connection Second support arm (11), second support arm (11) are vertically arranged with first support arm (10), and second support arm (11) is set to two first support arms (10) close to the one end of center (1), embedded division (9) is formed after being connected by two first support arms (10) and second support arm (11), is inserted Enter portion (8) on second support arm (11) and center (1) opposite side side.
2. backlight module according to claim 1, it is characterised in that: the insertion section (8) is set to second support arm (11) and leans on On one end of nearly backboard 2, joint portion (6) setting with insertion section (8) position corresponding section.
3. backlight module according to claim 1 or 2, it is characterised in that: the fastener (7) is one with insertion section (8) Forming structure.
4. backlight module according to claim 3, it is characterised in that: the insertion section (8) is laminated structure.
5. backlight module according to claim 1, it is characterised in that: the fastener (7) includes one and light guide plate (4) The parallel third support arm (12) in surface, be set to the 4th support arm (13) of third support arm (12) on the one end of center (1), the Four support arms (13) are vertical with third support arm (12), the 4th support arm (13) towards backboard (2) direction extend, the 4th support arm (13) with " L " font is formed after third support arm (12) connection, after the embedded division (9) is connect by third support arm (12) with the 4th support arm (13) It is formed, the third support arm (12) is equipped with hole (14), and joint portion (6) are oppositely arranged with hole (14), and the insertion section (8) is spiral shell Nail, joint portion (6) are screw hole, and fastener (7) is threadedly coupled by screw with screw hole, realize and pass through fastener (7) for light guide plate (4) fixed with center (1).
6. backlight module according to claim 5, it is characterised in that: the 4th support arm (13) is equipped with towards center (1) The protrusion (15) of protrusion, hole (14) are set at protrusion (15).
7. backlight module according to claim 6, it is characterised in that: opposite with the 4th support arm (13) in the center (1) Side side be equipped with recess portion (16) compatible with protrusion (15) shape, screw hole be set to recess portion (16) on and hole (14) position Corresponding section.
8. backlight module according to claim 7, it is characterised in that: the protrusion (15) is set in the 4th support arm (13) Portion.
9. a kind of liquid crystal display die set, it is characterised in that: further include the backlight module as described in claim 1-8 any one.
CN201611181223.8A 2016-12-20 2016-12-20 A kind of backlight module and liquid crystal display die set Active CN106647027B (en)

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Application Number Priority Date Filing Date Title
CN201611181223.8A CN106647027B (en) 2016-12-20 2016-12-20 A kind of backlight module and liquid crystal display die set

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Application Number Priority Date Filing Date Title
CN201611181223.8A CN106647027B (en) 2016-12-20 2016-12-20 A kind of backlight module and liquid crystal display die set

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CN106647027B true CN106647027B (en) 2019-09-10

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112965291B (en) * 2021-02-02 2021-12-17 惠科股份有限公司 Display device and backlight module thereof

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20040041841A (en) * 2002-11-12 2004-05-20 엘지.필립스 엘시디 주식회사 Liquid crystal display
CN102155691A (en) * 2011-04-11 2011-08-17 深圳市华星光电技术有限公司 Backlight module and light guide plate fixed construction thereof
CN202158424U (en) * 2011-04-07 2012-03-07 深圳华映显示科技有限公司 Backlight module and liquid crystal display apparatus
CN102980147A (en) * 2012-11-29 2013-03-20 深圳市华星光电技术有限公司 Rubber frame, back light module and liquid crystal display device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20040041841A (en) * 2002-11-12 2004-05-20 엘지.필립스 엘시디 주식회사 Liquid crystal display
CN202158424U (en) * 2011-04-07 2012-03-07 深圳华映显示科技有限公司 Backlight module and liquid crystal display apparatus
CN102155691A (en) * 2011-04-11 2011-08-17 深圳市华星光电技术有限公司 Backlight module and light guide plate fixed construction thereof
CN102980147A (en) * 2012-11-29 2013-03-20 深圳市华星光电技术有限公司 Rubber frame, back light module and liquid crystal display device

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Address after: 9-2 Tangming Avenue, Guangming New District, Shenzhen City, Guangdong Province

Patentee after: TCL Huaxing Photoelectric Technology Co.,Ltd.

Address before: 9-2 Tangming Avenue, Guangming New District, Shenzhen City, Guangdong Province

Patentee before: Shenzhen China Star Optoelectronics Technology Co.,Ltd.