CN206960700U - A kind of light guide plate, display device and mobile terminal - Google Patents
A kind of light guide plate, display device and mobile terminal Download PDFInfo
- Publication number
- CN206960700U CN206960700U CN201720782228.XU CN201720782228U CN206960700U CN 206960700 U CN206960700 U CN 206960700U CN 201720782228 U CN201720782228 U CN 201720782228U CN 206960700 U CN206960700 U CN 206960700U
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- guide plate
- light guide
- light
- catoptric arrangement
- weld bond
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Abstract
The utility model embodiment provides a kind of light guide plate, display device and mobile terminal, the light guide plate includes body, through hole on body, there is weld bond on the body, the light guide plate also includes catoptric arrangement, the catoptric arrangement is used to strengthen the light intensity for injecting the weld bond, the catoptric arrangement is arranged on the through-hole side wall, and/or, it is arranged in the side wall of the light conducting plate body, by designing the light guide plate for carrying catoptric arrangement, when light is propagated in light guide plate in light guide plate, when light is incided at catoptric arrangement, catoptric arrangement is by increase to the reflectivity of light or the propagation path of change light, catoptric arrangement can strengthen the light intensity of light guide plate welding line position, avoid display black line of the display panel in welding line position, improve the display effect of display panel.
Description
Technical field
Display screen technology field is the utility model is related to, more particularly to a kind of light guide plate, display device and movement eventually
End.
Background technology
With the display panel screen size and screen accounting of the mobile terminals such as the fast development of the mobile terminals such as mobile phone, mobile phone
Increasing, the size and screen accounting of corresponding backlight are also increasing.
Position with the camera in the increasing, mobile phone etc. of screen accounting mobile end, flash lamp, infrared inductor can enter
The viewing area of display panel, this requires that display panel sets open area to be avoided in viewing area, but in display surface
Light guide plate in backboard light sets open area, in guide-lighting plate injection moulding, due to different flow paths in injection moulding process
The plastic cement meet of melting, due to the temperature difference of plastic cement, thermal stress handing-over line can be formed about in open area, that is, is formd
Weld bond, the light guide plate of welding line position LED (Light Emitting Diode, the light emitting diode) institute in backlight is propagated
During the light of transmitting, due to the suddenly change of the light guide plate plastic cement density of the position, the propagation path of light can be destroyed, causes to show
Show that black line can be presented in the welding line position in panel, influence display effect.
Utility model content
In view of the above problems, it is proposed that the utility model embodiment overcomes above mentioned problem or at least portion to provide one kind
A kind of light guide plate, display device and the mobile terminal to solve the above problems with dividing.
In order to solve the above problems, the utility model embodiment discloses a kind of light guide plate, and the light guide plate includes body,
Through hole on body, there is weld bond on the body, it is characterised in that the light guide plate also includes catoptric arrangement, institute
State catoptric arrangement be used for strengthen the injection weld bond light intensity, the catoptric arrangement is arranged on the through-hole side wall,
And/or it is arranged in the side wall of the light conducting plate body.
Preferably, the catoptric arrangement is arranged on position corresponding with the weld bond in the side wall of the light conducting plate body
Put.
Preferably, the light conducting plate body surrounding is additionally provided with backlight glue frame, and the catoptric arrangement is additionally arranged at the back of the body
Position corresponding with the weld bond in optical cement frame side wall.Preferably, the catoptric arrangement is metal coating.
Preferably, the metal coating is silver coating.
Preferably, the catoptric arrangement is concaveconvex structure.
Preferably, the shape of the concaveconvex structure is connected by multiple concave mirrors and formed, and the focus of the concave mirror is located at institute
State on weld bond.
Preferably, the through hole is circle, and the catoptric arrangement is arranged on the through-hole side wall and the weld bond pair
The position answered, the position are the semicircular wall of the through hole, the line of two end points of semicircular wall and the welding
Plane where line is vertical.
The utility model embodiment also discloses a kind of display device, and the display device includes above-mentioned light guide plate.
The utility model embodiment also discloses a kind of mobile terminal, and the mobile terminal includes above-mentioned display device.
The utility model embodiment includes advantages below：
In the utility model embodiment, by designing a kind of light guide plate with catoptric arrangement, when light in light guide plate
When being propagated in light guide plate, when light is incided at catoptric arrangement, catoptric arrangement to the reflectivity of light or is changed by increase
Become the propagation path of light, catoptric arrangement can strengthen the light intensity of light guide plate welding line position, avoid display panel and exist
The display black line of welding line position, improve the display effect of display panel.
Brief description of the drawings
In order to illustrate more clearly of the technical scheme of the utility model embodiment, below by the utility model embodiment
The required accompanying drawing used is briefly described in description, it should be apparent that, drawings in the following description are only that this practicality is new
Some embodiments of type, for those of ordinary skill in the art, without having to pay creative labor, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is a kind of partial side, cross-sectional view of back lighting device of prior art；
Fig. 2 is a kind of one of light conducting plate structure schematic diagram of the utility model embodiment；
Fig. 3 is the two of a kind of light conducting plate structure schematic diagram of the utility model embodiment；
Fig. 4 is a kind of light guide plate reflection light schematic diagram of the utility model embodiment；
Fig. 5 is a kind of propagation schematic diagram of the light of the present utility model inside light guide plate.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describe, it is clear that described embodiment is the utility model part of the embodiment, rather than whole implementation
Example.Based on the embodiment in the utility model, those of ordinary skill in the art are obtained under the premise of creative work is not made
The every other embodiment obtained, belong to the scope of the utility model protection.
Reference picture 1, shows a kind of partial side, cross-sectional view of back lighting device of prior art, and back lighting device 1 can wrap
Include light guide plate 2, reflector plate 3, chase 4, double faced adhesive tape 5, the backlight glue frame 6 positioned at the surrounding of light guide plate 2, LED light source 7, FPC
(Flexible Printed Circuit, flexible printed circuit board) 8, PET screening glass 9, diffusion barrier 10, shading glue 11, blast
Film 12.
Specifically, one of the key part and component of back lighting device 1 for display panel, its role is to well-off brightness with
The light source being evenly distributed, enables display panel normally to show image.
The effect of light guide plate 2 is the scattering direction for guiding light, for improving the brightness of panel, and ensures that display panel is bright
The uniformity of degree, inside light guide plate 2 have diffusion point, when LED light source 7 launch light incide inside light guide plate, work as light
When line runs into diffusion point, reflected light can spread toward all angles, then will destroy conditioned reflex and be projected by the front of light guide plate 2, instead
The effect for penetrating piece 3 is reflected back in light guide plate 2 in by the light of the bottom outlet of light guide plate 2, for improving the service efficiency of light.
The effect of diffusion barrier 10 is so that the light distribution projected in light guide plate front is more uniform, and brightness enhancement film 12 can will be from
The light equably dissipated to all angles that diffusion barrier 10 projects is converged on axial angle, that is, in positive angle, not
Axial brightness is improved in the case of increase outgoing total light flux, shading glue 11 can cover the light of light guide plate injection, blocking part
Light splitter so that do not need the position of light not irradiated by light.
LED light source 7 electrically connects with the electronic circuit on FPC 8, while controls of the FPC 8 also with the array base palte of display panel
Circuit electrical connection processed so that back lighting device 1 and array base palte can integrally control in circuit control, preferably realize display
The display function of panel.
As for other chases 4, double faced adhesive tape 5, backlight glue frame 6, the PET screening glass 9 in back lighting device 1, its effect is so that
Array base palte of the back lighting device preferably with display panel in structure is assembled together, and forms complete display panel, simultaneously
It is more convenient during so that display panel is assembled in terminal device, specifically filled in the array base palte of back lighting device and display panel
During matching somebody with somebody, and display panel is in the assembling process of terminal device, chase 4, double faced adhesive tape 5, backlight glue frame 6, PET screening glass
How 9 play a role, and therefore not to repeat here for the utility model embodiment, and those skilled in the art are according to the actual feelings of assembling
Condition, can be with designed, designed.
A kind of one of light conducting plate structure schematic diagram of the utility model embodiment shown in reference picture 2, this reality shown in Fig. 3
With the two of a kind of light conducting plate structure schematic diagram of new embodiment, the light guide plate 2 includes body 2 ', the through hole on body
13, there is weld bond 14 on body 2 '.
Specifically, through hole 13 can be shooting head bore in the mobile terminals such as mobile phone, flash lamp aperture, infrared sensor hole with
During the viewing area conflict of display panel, set on the light guide plate of display panel to avoid shooting head bore, flash lamp aperture, red
The avoid holes in outer sensor hole.
In the utility model embodiment, light guide plate 2 can be made by injection molding process, specifically, injection molding
Technique refers to the raw material of melting by pressurizeing, injecting, cooling down, the technique that operation makes the semi-finished articles of definite shape such as departing from
Process, through hole 13 is provided with the body 2 ' of the light guide plate 2, in injection molding process, the modeling of the melting of different flow paths
Glue meet, due to the temperature difference of plastic cement, thermal stress handing-over line can be formed about in through hole 13, that is, form weld bond 14,
It should be noted that the weld bond 14 is uncertain in the position that through hole 13 is formed about, this is due to actual technique ring
The plastic cement flow path of border and melting it is different and caused by, there is randomness, but it was determined that the weld bond 14 be distributed in it is logical
In the preset range in hole 13.
Reference picture 2, Fig. 3, in the utility model embodiment, the light guide plate 2 can also include catoptric arrangement 15, the reflection
Structure 15 is used to strengthen the light intensity for injecting weld bond 14, and the catoptric arrangement 15 is arranged on through-hole side wall 16, and/or, if
Put in the side wall 17 of the light conducting plate body so that for the light propagated in light guide plate when inciding the catoptric arrangement 15, this is anti-
The light intensity for injecting weld bond 14 can be strengthened by penetrating structure 15, and it is black to avoid display of the display panel in the position of weld bond 14
Line, improve the display effect of display panel.
Reference picture 2, in a kind of preferred embodiment of the present utility model, the surrounding of light conducting plate body 2 ' is additionally provided with the back of the body
Optical cement frame 6, catoptric arrangement 15 can also be arranged on position 18 corresponding with the weld bond 14 in backlight glue frame side wall 21 so that
It is again incident on from the light of light guide plate outgoing on catoptric arrangement 15, the reflecting part light of catoptric arrangement 15 is returned in light guide plate
Portion, further enhance the light intensity of weld bond 14.
Reference picture 3, in a kind of preferred embodiment of the present utility model, the catoptric arrangement 15 is arranged on the light guide plate
Position 17 ' corresponding with the weld bond in the side wall 17 of body so that catoptric arrangement only needs to be arranged on light conducting plate body
The subregion of side wall, improve the specific aim of catoptric arrangement enhancing light intensity.
In a kind of preferred embodiment of the present utility model, the catoptric arrangement 15 can be metal coating, and light is in the metal
Refractive index in coating is larger so that and the metal coating is arranged on light conducting plate body side wall, and/or during through-hole side wall, light
Reflectivity increase, so that light guide plate is more reflected back inside light guide plate in the light that weld bond is emitted, it is molten to enhance this
The light intensity of wiring 14, improve the display effect of display panel.
In a kind of preferred embodiment of the present utility model, metal coating is silver coating, and the reflecting effect of silver coating is more preferably.
In a kind of preferred embodiment of the present utility model, reference picture 2, through hole 13 is circle, and the catoptric arrangement 15 is set
The position 16 ' corresponding with the weld bond on the through-hole side wall 16 is put, the position 16 ' is the semicircle side of the through hole 13
Wall 19, the line of two end points of semicircular wall are vertical with the plane where the weld bond 14 so that metal coating is only set
In the half of the side wall of through hole 13, the dosage of metal coating is reduced, while avoids the other half of circular side wall that metal coating is set,
When avoiding the light in light guide plate from not traveling to weld bond 14 also, excessive is reflected, and reduces the light intensity of weld bond 14
Enhancing effect.
In a kind of preferred embodiment of the present utility model, one kind of the utility model embodiment shown in reference picture 4 is led
Tabula rasa reflection light schematic diagram, catoptric arrangement can also be to be arranged on through-hole side wall, and/or, it is arranged on light conducting plate body side wall
The upper concaveconvex structure 20 with 14 corresponding position of weld bond, the concaveconvex structure 20 utilizes the principle of reflection of geometric optics, by leaded light
Intralamellar part light 22 incide through-hole side wall and/or, when in light conducting plate body side wall with 14 corresponding position of weld bond, can make
Obtain these incident rays 22 to concentrate to weld bond 14, strengthen the light intensity of the weld bond 14, improve the display effect of display panel
Fruit.
Specifically, the shape design of the concaveconvex structure 20, those skilled in the art can be adjusted according to actual conditions,
The embodiment of the present invention is not restricted to this.
As a kind of example, the shape of concaveconvex structure 20 can be connected by multiple concave mirrors to be formed, Jiao of these concave mirrors
Point is located exactly on weld bond 14, a kind of propagation signal of the light of the present utility model shown in reference picture 5 inside light guide plate
Figure, when light guide plate internal light incides concaveconvex structure, reflects by geometry, and the incident ray near weld bond 14 is to molten
Wiring 14 is concentrated.
In a kind of preferred embodiment of the present utility model, silver coating can be covered on the surface of concaveconvex structure 20, enters one
The light intensity of step enhancing weld bond 14.
In the utility model embodiment, by designing a kind of light guide plate with catoptric arrangement, when the light in light guide plate
When line is propagated in light guide plate, when light is incided at catoptric arrangement, catoptric arrangement by increasing to the reflectivity of light or
Change the propagation path of light, catoptric arrangement can strengthen the light intensity of light guide plate welding line position in light guide plate, avoid
Display panel improves the display effect of display panel in the display black line of welding line position.
The utility model embodiment also discloses a kind of display device, and the display device includes the leaded light of previous embodiment
Plate.
The utility model embodiment also discloses a kind of mobile terminal, and the display that the mobile terminal includes previous embodiment fills
Put.
Although having been described for the preferred embodiment of the utility model embodiment, those skilled in the art once learn
Basic creative concept, then can make other change and modification to these embodiments.So appended claims are intended to solve
It is interpreted as including preferred embodiment and falls into having altered and changing for the utility model embodiment scope.
Finally, it is to be noted that, herein, term " comprising ", "comprising" or its any other variant are intended to
Cover including for nonexcludability, so that process, method, article or terminal device including a series of elements not only include
Those key elements, but also the other element including being not expressly set out, or also include for this process, method, article or
The intrinsic key element of person's terminal device.In the absence of more restrictions, the key element limited by sentence "including a ...",
It is not precluded from other identical element in the process including the key element, method, article or terminal device being also present.
It is described above, only specific embodiment of the present utility model, but the scope of protection of the utility model is not limited to
In this, any one skilled in the art can readily occur in change in the technical scope that the utility model discloses
Or replace, it should all cover within the scope of protection of the utility model.Therefore, the scope of protection of the utility model should be wanted with right
The protection domain asked is defined.
Claims (10)
1. a kind of light guide plate, the light guide plate includes body, the through hole on body, has weld bond on the body, its
It is characterised by, the light guide plate also includes catoptric arrangement, and the light that the catoptric arrangement is used to strengthen the injection weld bond is strong
Degree, the catoptric arrangement are arranged on the through-hole side wall, and/or, it is arranged in the side wall of the light conducting plate body.
2. light guide plate according to claim 1, it is characterised in that the catoptric arrangement is arranged on the light conducting plate body
Position corresponding with the weld bond in side wall.
3. light guide plate according to claim 1 or 2, it is characterised in that the light conducting plate body surrounding is additionally provided with backlight
Glue frame, the catoptric arrangement are additionally arranged at position corresponding with the weld bond in the backlight glue frame side wall.
4. light guide plate according to claim 1 or 2, it is characterised in that the catoptric arrangement is metal coating.
5. light guide plate according to claim 4, it is characterised in that the metal coating is silver coating.
6. light guide plate according to claim 1 or 2, it is characterised in that the catoptric arrangement is concaveconvex structure.
7. light guide plate according to claim 6, it is characterised in that the shape of the concaveconvex structure is connected by multiple concave mirrors
Form, the focus of the concave mirror is located on the weld bond.
8. light guide plate according to claim 1 or 2, it is characterised in that the through hole is circle, and the catoptric arrangement is set
The position corresponding with the weld bond on the through-hole side wall, the position be the through hole semicircular wall, the semicircle
The line of two end points of shape side wall is vertical with the plane where the weld bond.
9. a kind of display device, it is characterised in that the display device includes the light guide plate described in claim any one of 1-8.
10. a kind of mobile terminal, it is characterised in that the mobile terminal includes the display device described in claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720782228.XU CN206960700U (en) | 2017-06-30 | 2017-06-30 | A kind of light guide plate, display device and mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720782228.XU CN206960700U (en) | 2017-06-30 | 2017-06-30 | A kind of light guide plate, display device and mobile terminal |
Publications (1)
| Publication Number | Publication Date |
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| CN206960700U true CN206960700U (en) | 2018-02-02 |
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ID=61385582
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720782228.XU Active CN206960700U (en) | 2017-06-30 | 2017-06-30 | A kind of light guide plate, display device and mobile terminal |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108803145A (en) * | 2018-06-29 | 2018-11-13 | 厦门天马微电子有限公司 | Backlight module and display device |
| CN109407203A (en) * | 2018-12-28 | 2019-03-01 | 厦门天马微电子有限公司 | Light guide plate, backlight module and display device |
| CN109501135A (en) * | 2018-11-21 | 2019-03-22 | Oppo（重庆）智能科技有限公司 | Mold, light guide plate and its processing method, display screen and electronic equipment |
| CN110594669A (en) * | 2019-09-03 | 2019-12-20 | 广州奕至家居科技有限公司 | LED lamp capable of emitting light comprehensively |
| CN110716259A (en) * | 2018-07-11 | 2020-01-21 | 罗伯特·博世有限公司 | Light guide element |
| US10746919B1 (en) | 2019-03-05 | 2020-08-18 | Au Optronics Corporation | Backlight module |
-
2017
- 2017-06-30 CN CN201720782228.XU patent/CN206960700U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108803145A (en) * | 2018-06-29 | 2018-11-13 | 厦门天马微电子有限公司 | Backlight module and display device |
| CN108803145B (en) * | 2018-06-29 | 2021-04-02 | 厦门天马微电子有限公司 | Backlight module and display device |
| CN110716259A (en) * | 2018-07-11 | 2020-01-21 | 罗伯特·博世有限公司 | Light guide element |
| CN109501135A (en) * | 2018-11-21 | 2019-03-22 | Oppo（重庆）智能科技有限公司 | Mold, light guide plate and its processing method, display screen and electronic equipment |
| CN109407203A (en) * | 2018-12-28 | 2019-03-01 | 厦门天马微电子有限公司 | Light guide plate, backlight module and display device |
| CN109407203B (en) * | 2018-12-28 | 2020-11-03 | 厦门天马微电子有限公司 | Light guide plate, backlight module and display device |
| US10746919B1 (en) | 2019-03-05 | 2020-08-18 | Au Optronics Corporation | Backlight module |
| CN110594669A (en) * | 2019-09-03 | 2019-12-20 | 广州奕至家居科技有限公司 | LED lamp capable of emitting light comprehensively |
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