CN206096706U - Light guide plate fixed knot structure, backlight unit and LCD - Google Patents

Light guide plate fixed knot structure, backlight unit and LCD Download PDF

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Publication number
CN206096706U
CN206096706U CN201621113067.7U CN201621113067U CN206096706U CN 206096706 U CN206096706 U CN 206096706U CN 201621113067 U CN201621113067 U CN 201621113067U CN 206096706 U CN206096706 U CN 206096706U
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China
Prior art keywords
light guide
guide plate
light
fixing structure
board fixing
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CN201621113067.7U
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Chinese (zh)
Inventor
黄磊
李国亮
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InfoVision Optoelectronics Kunshan Co Ltd
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InfoVision Optoelectronics Kunshan Co Ltd
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Priority to CN201621113067.7U priority Critical patent/CN206096706U/en
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Abstract

The utility model discloses a light guide plate fixed knot structure, backlight unit and LCD relates to light guide plate fixation technology field. Light guide plate fixed knot constructs including light guide plate, backplate and glues the frame, and the leaded light plate holder is established at the backplate and is glued between the frame, glues the frame and fixes at the edge of backplate, and the light guide plate is divided into into light side and light -emitting side, and the income light side of light guide plate is provided with two at least through -holes, and sets up separately at the both ends of going into the light side, and the gluey frame that lies in the income light side of light guide plate is the positioning rubber frame, and the corresponding position on the positioning rubber frame is provided with the arch of mutually supporting with the through -hole. The utility model discloses still protect the backlight unit and the LCD that have above -mentioned light guide plate fixed knot and construct. The utility model provides a light guide plate fixed knot constructs, during light guide plate cooling shrinkage, protruding and through -hole cooperation, prevent the light guide plate to the direction shrink of keeping away from the light source, clearance between light guide plate and the light source can not the grow, has guaranteed emergent light luminance.

Description

A kind of light guide board fixing structure, backlight module and liquid crystal display
Technical field
This utility model is related to technical field of liquid crystal display, more particularly to a kind of light guide board fixing structure, backlight module and Liquid crystal display.
Background technology
Light guide plate is the significant components in backlight module, to guide light source to send the transmission direction of light beam, by line source Or point source is converted into area source outgoing.
The fixed structure of existing light guide plate is to be fixed using two-sided tape between the light emission side and backboard of light guide plate and connected Connect, light guide plate incident side without fixation, be only the light-emitting area of the adjacent LED of incident side.Above-mentioned fixed structure is being finished After the failtests such as high temperature experiment, light guide plate can expand with heat and contract with cold, and due to having two-sided tape to fix in light emission side, cause Occur gap between the incident side and LED of tabula rasa, and then decline the brightness in LCDs, gap is excessive to be there is also Lou Optical phenomenon.
Utility model content
The purpose of this utility model is to propose a kind of light guide board fixing structure, can position, keep away between backboard and glue frame Exempt from gap between the incident side of light guide plate and light source, occur, it is ensured that display brightness is constant.
Another purpose of the present utility model is to propose a kind of backlight module, including above-mentioned light guide board fixing structure.
Further object of the present utility model is to propose a kind of liquid crystal display, including above-mentioned backlight module, it is to avoid Display brightness declines.
It is that, up to this purpose, this utility model is employed the following technical solutions:
A kind of light guide board fixing structure, including light guide plate, backboard and glue frame, the light guide plate are folded in the backboard and institute State between glue frame, the glue frame is fixed on the edge of the backboard,
The light guide plate is divided into incident side and light emission side, and the incident side of the light guide plate is provided with least two and leads to Hole, and set up separately at the two ends of the incident side,
It is to position glue frame positioned at the glue frame of the incident side of the light guide plate, the correspondence position in the positioning glue frame sets It is equipped with the projection cooperated with the through hole.
Used as a kind of preferred version of above-mentioned light guide board fixing structure, the positioning glue frame is divided into two sections, respectively positioned at institute State the two ends of the incident side of light guide plate.
Used as a kind of preferred version of above-mentioned light guide board fixing structure, the through hole is the incident side of the light guide plate The breach that edges at two ends is opened up.
Used as a kind of preferred version of above-mentioned light guide board fixing structure, the through hole is strip, the length of the through hole Direction is parallel with the side of the incident side of the light guide plate.
Used as a kind of preferred version of above-mentioned light guide board fixing structure, the two ends of the incident side of the light guide plate are distinguished The through hole of at least two circles is set, and the circular through hole is arranged along the side of the incident side.
As a kind of preferred version of above-mentioned light guide board fixing structure, the incident side and the backboard of the light guide plate Between pass through two-sided tape bonding.
As a kind of preferred version of above-mentioned light guide board fixing structure, the light emission side and the backboard of the light guide plate Between by the two-sided tape bonding.
Used as a kind of preferred version of above-mentioned light guide board fixing structure, the light guide board fixing structure also includes light source, institute State light source to be fixed on the backboard, the incident side of the adjacent light guide plate of the light source.
A kind of backlight module, including above-mentioned light guide board fixing structure.
A kind of liquid crystal display, including above-mentioned backlight module.
The beneficial effects of the utility model:
The utility model proposes light guide board fixing structure, light source is fixed on the backboard, the adjacent light guide plate Incident side, when there is the phenomenon of cooling meat, as the raised cooperation with through hole, projection play effect of contraction to light guide plate, prevents Only light guide plate is shunk to the direction away from light source, therefore the gap between light guide plate and light source will not become big, it is ensured that outgoing light Degree.
Description of the drawings
Fig. 1 is the structural representation of the incident side of the light guide board fixing structure that this utility model specific embodiment is provided;
Fig. 2 is the structural representation of the glue frame that this utility model specific embodiment is provided;
Fig. 3 is the structural representation that the glue frame that this utility model specific embodiment is provided and light guide plate coordinate;
Fig. 4 is the top view of light guide plate in Fig. 1;
Fig. 5 is the structural representation of another kind of light guide plate that this utility model specific embodiment is provided;
Fig. 6 is the structural representation of the light emission side of the light guide board fixing structure that this utility model specific embodiment is provided.
Wherein, 1, light guide plate;2nd, backboard;3rd, glue frame;4th, light source;5th, two-sided tape;6th, FPC plates;
11st, through hole;31st, position glue frame;
311st, it is raised.
Specific embodiment
Further to illustrate that this utility model is to reach technological means and effect that predetermined utility model purpose is taken, Below in conjunction with accompanying drawing and preferred embodiment, to according to the utility model proposes light guide board fixing structure, backlight module and liquid crystal The specific embodiment of display, structure, feature and its effect, describe in detail as after.
Fig. 1 is the structural representation of the incident side of the light guide board fixing structure that this utility model specific embodiment is provided; Fig. 2 is the structural representation of the glue frame that this utility model specific embodiment is provided;Fig. 3 is this utility model specific embodiment The structural representation that the glue frame of offer and light guide plate coordinate;Fig. 4 is the top view of light guide plate in Fig. 1;Fig. 5 is this utility model tool The structural representation of another kind of light guide plate that body embodiment is provided;Fig. 6 is leading for this utility model specific embodiment offer The structural representation of the light emission side of light board fixing structure.
Reference picture 1-6, a kind of light guide board fixing structure that present embodiment is proposed, including light guide plate 1, backboard 2 and glue frame 3, light guide plate 1 is folded between backboard 2 and glue frame 3, and glue frame 3 is fixed on the edge of backboard 2, and 1 point of light guide plate is incident side and goes out Light side, the incident side of light guide plate 1 are provided with least two through holes 11, and set up separately at the two ends of incident side, positioned at entering for light guide plate 1 The glue frame 3 of light side is positioning glue frame 31, and the correspondence position positioned in glue frame 31 is provided with the projection cooperated with through hole 11 311。
The light guide board fixing structure due to interfixing between glue frame 3 and backboard 2, then the projection 311 in glue frame 3 with lead The through hole 11 of tabula rasa 1 cooperates, and light guide plate 1 is fixed between glue frame 3 and backboard 2, and when finishing, failtests generation is cold During the phenomenon but shunk, due to raised 311 and the mutual cooperation of through hole 11, respective outer side edges are firm, raised 311 pairs of light guide plates 1 Prevent light guide plate 1 from shrinking with spacing effect to positioning, therefore the gap between light guide plate 1 and light source 4 will not become big, it is ensured that Outgoing brightness.
As shown in figs. 1 and 6, it is in present embodiment, viscous by two-sided tape 5 between the incident side and backboard 2 of light guide plate 1 Connect, incident side is fixed, connected using two-sided tape 5 between the light emission side and backboard 2 of light guide plate 1, light emission side is carried out It is fixed.It is prevented from the movement of light guide plate 1, it is ensured that the normal use of the light guide board fixing structure, it is to avoid light guide plate 1 and light source 4 Between there is the change in gap, it is to avoid there is display brightness and the bad phenomenon such as decline.
Light source 4 in present embodiment is LED, is green light source, with spies such as energy-saving and environmental protection, life-span length, small volumes Point.Light source 4 is arranged on FPC plates 6, wherein, FPC plates 6 are located between light source 4 and backboard 2, and part passes through double with light guide plate 1 5 bonding of face adhesive tape.
31 points of positioning glue frame in this specific embodiment is two sections, respectively positioned at light guide plate 1 incident side two ends.Make The fixed structure for obtaining incident side is simple, saves 3 material usage of glue frame, and the positioning glue frame 31 is connected with the glue frame 3 at other positions.
The form of through hole 11 can be various, and several different through holes 11 are provided in present embodiment, be described separately as Under:
As shown in figure 4, through hole 11 is the breach that 1 incident side edges at two ends of light guide plate is opened up, the through hole 11 is easy to processing, and It is easy to assembling between projection 311.The through hole 11 is the side of strip, the length direction of through hole 11 and the incident side of light guide plate 1 Side is parallel.Preferable position-limiting action can played to light guide plate 1 in the side directions of incident side, it is ensured that light guide plate 1 Position do not change.
As shown in figure 5, in order to realize fixing light guide plate 1, the two ends of the incident side of light guide plate 1 are respectively provided with least two Circular through hole 11, circular through hole 11 are arranged along the side of incident side, are prevented from when 1 contraction distortion of light guide plate.
Through hole 11 can also be multiple strips and arrange along the side of incident side.11 structure of specific through hole can be with root Selected according to concrete condition.
Present embodiment also protects a kind of backlight module, including above-mentioned light guide board fixing structure, it is to avoid light source 4 and leaded light Gap is produced between plate 1, the brightness of 4 outgoing of light source can be avoided to decline.
Present embodiment also protects a kind of liquid crystal display, including above-mentioned backlight module.
The above, is only preferred embodiment of the present utility model, not makees any formal to this utility model Restriction, although this utility model is disclosed above with preferred embodiment, but is not limited to this utility model, any ripe Professional and technical personnel is known, in the range of without departing from technical solutions of the utility model, when in the technology using the disclosure above Appearance is made a little change or is modified to the Equivalent embodiments of equivalent variations, as long as being without departing from technical solutions of the utility model Hold, any simple modification, equivalent variations and modification above example made according to technical spirit of the present utility model, still Belong in the range of technical solutions of the utility model.

Claims (10)

1. a kind of light guide board fixing structure, it is characterised in that including light guide plate (1), backboard (2) and glue frame (3), the light guide plate (1) it is folded between the backboard (2) and the glue frame (3), the glue frame (3) is fixed on the edge of the backboard (2),
The light guide plate (1) is divided into incident side and light emission side, and the incident side of the light guide plate (1) is provided with least two and leads to Hole (11), and set up separately at the two ends of the incident side,
It is positioning glue frame (31) positioned at the glue frame (3) of the incident side of the light guide plate (1), it is described to position glue frame (31) On correspondence position be provided with the projection (311) cooperated with the through hole (11).
2. light guide board fixing structure according to claim 1, it is characterised in that the positioning glue frame (31) is divided into two sections, The two ends of the incident side of the light guide plate (1) are located at respectively.
3. light guide board fixing structure according to claim 1 and 2, it is characterised in that the through hole (11) is the leaded light The breach that the incident side edges at two ends of plate (1) is opened up.
4. light guide board fixing structure according to claim 3, it is characterised in that the through hole (11) is strip, described The length direction of through hole (11) is parallel with the side of the incident side of the light guide plate (1).
5. light guide board fixing structure according to claim 1 and 2, it is characterised in that the light guide plate (1) it is described enter light The two ends of side are respectively provided with least two circular through holes (11), and the circular through hole (11) is along the incident side Side arrangement.
6. light guide board fixing structure according to claim 1 and 2, it is characterised in that the light guide plate (1) it is described enter light It is bonding by two-sided tape (5) between side and the backboard (2).
7. light guide board fixing structure according to claim 6, it is characterised in that the light emission side of the light guide plate (1) It is bonding by the two-sided tape (5) between the backboard (2).
8. light guide board fixing structure according to claim 1 and 2, it is characterised in that the light guide board fixing structure is also wrapped Include light source (4), the light source (4) is fixed on the backboard (2), the adjacent light guide plate (1) of the light source (4) it is described enter Light side.
9. a kind of backlight module, it is characterised in that including the light guide board fixing structure described in claim 1-8 any one.
10. a kind of liquid crystal display, it is characterised in that including the backlight module described in claim 9.
CN201621113067.7U 2016-10-11 2016-10-11 Light guide plate fixed knot structure, backlight unit and LCD Active CN206096706U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201621113067.7U CN206096706U (en) 2016-10-11 2016-10-11 Light guide plate fixed knot structure, backlight unit and LCD

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201621113067.7U CN206096706U (en) 2016-10-11 2016-10-11 Light guide plate fixed knot structure, backlight unit and LCD

Publications (1)

Publication Number Publication Date
CN206096706U true CN206096706U (en) 2017-04-12

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201621113067.7U Active CN206096706U (en) 2016-10-11 2016-10-11 Light guide plate fixed knot structure, backlight unit and LCD

Country Status (1)

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CN (1) CN206096706U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109655960A (en) * 2019-02-26 2019-04-19 厦门天马微电子有限公司 A kind of backlight module and display device
CN109799649A (en) * 2018-10-23 2019-05-24 友达光电股份有限公司 Light supply apparatus and its liquid crystal display

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109799649A (en) * 2018-10-23 2019-05-24 友达光电股份有限公司 Light supply apparatus and its liquid crystal display
CN109799649B (en) * 2018-10-23 2021-09-07 友达光电股份有限公司 Light source device and liquid crystal display thereof
CN109655960A (en) * 2019-02-26 2019-04-19 厦门天马微电子有限公司 A kind of backlight module and display device
CN109655960B (en) * 2019-02-26 2020-06-23 厦门天马微电子有限公司 Backlight module and display device

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Address after: 215301 No. 1, Longteng Road, Kunshan Development Zone, Jiangsu, Suzhou

Patentee after: Kunshan Longteng Au Optronics Co

Address before: 215301 No. 1, Longteng Road, Kunshan Development Zone, Jiangsu, Suzhou

Patentee before: Kunshan Longteng Optronics Co., Ltd.