CN207599623U - Light guide plate and backing structure - Google Patents
Light guide plate and backing structure Download PDFInfo
- Publication number
- CN207599623U CN207599623U CN201721734055.0U CN201721734055U CN207599623U CN 207599623 U CN207599623 U CN 207599623U CN 201721734055 U CN201721734055 U CN 201721734055U CN 207599623 U CN207599623 U CN 207599623U
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- China
- Prior art keywords
- light
- guide plate
- light guide
- circular arc
- diverging portion
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Abstract
The utility model is related to a kind of light guide plate and backing structures；The light guide plate includes incident side, and an at least inner fovea part is being provided on light opposite side far from entering for the incident side, positioned at it is described enter light opposite side each turning be set as circular arc, light source diverging portion is provided on each circular arc.The utility model carries out circular arc processing by the turning entered on light opposite side in light guide plate, and light source diverging portion is set on it, upset the direction of LED light line reflection or/and refraction, glue frame can also change the direction of refraction and/or the transmitting of light with the light that reflector plate blocks back simultaneously, the light beam of light is dissipated toward different directions at this time, so as to weaken light guide plate circular arc edge bright line, the whole backlight effect shielded comprehensively is promoted.
Description
Technical field
The utility model is related to LED backlight technical fields, and in particular to a kind of light guide plate and backing structure.
Background technology
Screen is mobile phone industry bound pair in one of superelevation screen accounting Cell Phone Design than broad definition comprehensively.From literal upper solution
It is exactly the front of mobile phone is entirely screen to release, and four bezel locations of mobile phone are designed using Rimless, are pursued close
100% screen accounting.Mobile phone industry is rising a kind of display design of screen comprehensively at present, and the structure of backlight design is intermediate inner fovea part
Position will place the elements such as camera, and there are big indent and chamfering circular arc in entire light source opposite.These arc positions are relatively pervious
Straight flange is a kind of irregular structure so that edge is susceptible to bright line, particularly circular arc, and the incoming light of source ends is anti-
It penetrates and the reflected light of glue frame, local bright line influences the visual effect shielded comprehensively.Because during common light guide plate design,
Light guide plate side is smooth surface design, smaller to influential effect when guide-lighting edges of boards are linears, when comprehensively selection is shielded not
During regular texture, circular arc, interior recessed position light guide plate easily direct reflection light, the light of glue frame are reflected directly into light guide plate again
It is projected from VA areas, easily generates the bright line of light-guide edge, influence to shield whole backlight illumination effect comprehensively.
Utility model content
The utility model is at least one defect overcome described in the above-mentioned prior art, provides a kind of light guide plate, by
The turning entered on light opposite side of light guide plate carries out circular arc processing, and setting light source diverging portion on it, upsets LED light line reflection
Or/and the direction of refraction, while the glue frame and reflector plate light that blocks back can also change the refraction and/or transmitting of light
Direction, the light beam of light is toward different directions diverging at this time, and so as to weaken light guide plate circular arc edge bright line, promotion is shielded comprehensively
Whole backlight effect.
A kind of light guide plate including incident side, is provided on light opposite side at least one far from entering for the incident side
Recess portion, positioned at it is described enter light opposite side each turning be set as circular arc, light source diverging portion is provided on each circular arc.
As a kind of improvement of light guide plate provided by the utility model, the light source diverging portion is saw continuously or discontinuously
Toothing.
As a kind of improvement of light guide plate provided by the utility model, the light source diverging portion is wave continuously or discontinuously
Unrestrained structure.
As a kind of improvement of light guide plate provided by the utility model, the transparent tree of outer application in the light source diverging portion
Fat colloid.
It is saturating that micron order is mixed with as a kind of improvement of light guide plate provided by the utility model, in the transparent resin colloid
Bright particle.
A kind of backing structure, including any above-mentioned light guide plate.
As a kind of improvement of backing structure provided by the utility model, luminescence component, bottom plate, glue frame are further included, it is described
The incident side of luminescence component towards the light guide plate is set, and the bottom plate forms an accommodation space with glue frame integrated injection molding,
For accommodating the light guide plate and luminescence component.
As a kind of improvement of backing structure provided by the utility model, light-emitting surface positioned at the light guide plate is further included
Optical film and the reflector plate positioned at the guide-lighting back.
As a kind of improvement of backing structure provided by the utility model, the bottom plate is metallic plate.
As a kind of improvement of backing structure provided by the utility model, the edge of the metallic plate or by proximal edge
It is internally provided with notch or hole.
Compared with prior art, the beneficial effects of the utility model are：
The utility model carries out circular arc processing, and set light on it by the turning entered on light opposite side in light guide plate
Upset the direction of LED light line reflection or/and refraction, while glue frame also can with the light that reflector plate blocks back in source diverging portion
Change the direction of refraction and/or the transmitting of light, the light beam of light is dissipated toward different directions at this time, so as to weaken light guide plate
Circular arc edge bright line promotes the whole backlight effect shielded comprehensively.
Description of the drawings
Fig. 1 is the structure diagram of the utility model light guide plate；
Fig. 2 is the close-up schematic view of the light guide plate circular arc of another embodiment；
Fig. 3 is the close-up schematic view of the light guide plate circular arc of another embodiment；
Fig. 4 is the close-up schematic view of the light guide plate circular arc of a further embodiment；
Fig. 5 is the structure diagram of the utility model backing structure；
Fig. 6 is the partial sectional view of A-A in Fig. 5；
Fig. 7 is the partial sectional view of B-B in Fig. 5；
Fig. 8 is the rear view of Fig. 5.
Specific embodiment
The utility model is further described With reference to embodiment.Wherein, being given for example only property of attached drawing
Illustrate, expression is only schematic diagram rather than pictorial diagram, it is impossible to be interpreted as the limitation to this patent；In order to which this reality is better described
With novel embodiment, the certain components of attached drawing have omission, zoom in or out, and do not represent the size of actual product；To ability
For field technique personnel, the omitting of some known structures and their instructions in the attached drawings are understandable.
The same or similar label correspond to the same or similar components in the attached drawing of the utility model embodiment；In this practicality
In novel description, it is to be understood that if thering is the orientation of the instructions such as term " on ", " under ", "left", "right" or the position relationship to be
Based on orientation shown in the drawings or position relationship, it is for only for ease of description the utility model and simplifies description rather than instruction
Or imply that signified device or element there must be specific orientation, with specific azimuth configuration and operation, therefore retouched in attached drawing
State the term of position relationship only for illustration, it is impossible to the limitation to this patent is interpreted as, for the common skill of this field
For art personnel, the concrete meaning of above-mentioned term can be understood as the case may be.
Embodiment 1
As shown in Figure 1, it shows a kind of light guide plate 1 provided in this embodiment, enter including incident side 11 and far from described in
Light side 11 enters light opposite side, it is described enter light opposite side on be provided with an at least inner fovea part 12 so that it is described enter light opposite side be
The irregular structure of non-straight edges；Positioned at it is described enter light opposite side each turning be set as circular arc 13, on each circular arc 13
It is provided with light source diverging portion 131.Wherein, the light source diverging portion 131 is broached-tooth design continuously or discontinuously（Such as Fig. 2 institutes
Show）Or wave structure continuously or discontinuously（As shown in Figure 3）, more than only enumerate wherein several examples, but not office
It is limited to this；Being roughened the circular arc 13 during specific implementation makes it have disperse function to light.
By designing light source diverging portion 131 at the circular arc 13, the side of the reflection of LED22 light or/and refraction is upset
To, while glue frame 3 can also change the light in the direction, at this time light of refraction and/or transmitting with the light that reflector plate 4 blocks back
Beam is dissipated toward different directions, so as to weaken edge bright line at 1 circular arc 13 of light guide plate, promotes the Integral back light efficiency shielded comprehensively
Fruit.
It is further improved, as shown in figure 4, the outer application transparent resin colloid 132 in the light source diverging portion 131,
Micron order transparent grain, such as silica dioxide granule are mixed in the transparent resin colloid 132 so that resin colloid 132 cures
Afterwards, the particle being distributed in a jumble in wavy slot or sawtooth further scatters light, is not in be reflected back from glue frame 3
Directly reflection/bounce back comes the light come again, further avoids reflective bright line problem.
Embodiment 2
As shown in Figs. 5 to 7, which show a kind of backing structure provided in this embodiment, including as described in Example 1
Light guide plate 1, glue frame 3, bottom plate 7, luminescence component 2, reflector plate 4, optical film 5 and anti-dazzling screen 6.Wherein, 2 direction of luminescence component
The incident side 11 of the light guide plate 1 is arranged on the side of the glue frame 3, and the bottom plate 7 forms one with 3 integrated injection molding of glue frame
Accommodation space, for accommodating the light guide plate 1 and luminescence component 2；The optical film 5 is located at the light-emitting surface of the light guide plate 1, institute
It states optical film 5 and includes diffusion barrier 51, lower brightness enhancement film 52 and upper brightness enhancement film 53 successively from the bottom up；The reflector plate 4 is located at described
1 back side of light guide plate.
It is further improved, the bottom plate 7 is metallic plate.Preferably, as shown in figure 8, the edge of the metallic plate or
Notch 71 or hole are internally provided with by proximal edge, so as to 3 mould filling of glue frame, is integrally formed 3 brandreth of glue frame.The notch 71
Or shape, size, position, the quantity in hole etc. is not limited to situation listed by attached drawing, it can be by actual design.It is highly preferred that in metallic plate
Metallic plate and glue frame 3 are further fixed with 3 delivery position point glue of glue frame.Stainless steel or iron may be selected in the metallic plate, preferably
Stainless steel SUS304.
The anti-dazzling screen 6 is at least fitted in the top of the luminescence component 2, it is preferable that is black above the anti-dazzling screen 6
It can also be black flour, preferably black flour that face, which can be fine flour below,.Preferably, the anti-dazzling screen far from the light guide plate 1
6 outer surface is equipped with one side glue or inviscid PET8, prevents the sticky adhesive display panel in 6 outside of anti-dazzling screen from causing display panel
Glass the problems such as collapsing angle.
The luminescence component 2 includes wiring board 21 and at least LED22 being electrically connected on the wiring board 21, assembling
When the wiring board 21 is fitted on the light guide plate 1 and glue frame 3 by double faced adhesive tape.
Obviously, above-described embodiment of the utility model is only intended to clearly illustrate the utility model example, and
It is not the restriction to the embodiment of the utility model.For those of ordinary skill in the art, in above description
On the basis of can also make other variations or changes in different ways.There is no need and unable to give all embodiments
It is exhaustive.All any modification, equivalent and improvement made within the spirit and principles of the present invention etc., should be included in
Within the protection domain of the utility model claims.
Claims (10)
1. a kind of light guide plate, which is characterized in that it includes incident side, is provided on light opposite side far from entering for the incident side
An at least inner fovea part, positioned at it is described enter light opposite side each turning be set as circular arc, be provided with light source on each circular arc
Diverging portion.
2. light guide plate according to claim 1, which is characterized in that the light source diverging portion is sawtooth continuously or discontinuously
Structure.
3. light guide plate according to claim 1, which is characterized in that the light source diverging portion is wave continuously or discontinuously
Structure.
4. light guide plate according to any one of claims 1 to 3, which is characterized in that the outer application in the light source diverging portion
It is mixed with the transparent resin colloid of micron order transparent grain.
5. light guide plate according to claim 4, which is characterized in that the transparent grain is silica dioxide granule.
6. a kind of backing structure, which is characterized in that it includes the light guide plate as described in claim 1 to 5.
7. backing structure according to claim 6, which is characterized in that further include luminescence component, bottom plate, glue frame, the hair
The incident side of optical assembly towards the light guide plate is set, and the bottom plate forms an accommodation space with glue frame integrated injection molding, is used
In the receiving light guide plate and luminescence component.
8. backing structure according to claim 6, which is characterized in that further include the light of the light-emitting surface positioned at the light guide plate
Learn film and the reflector plate positioned at the guide-lighting back.
9. backing structure according to claim 7, which is characterized in that the bottom plate is metallic plate.
10. backing structure according to claim 9, which is characterized in that the edge of the metallic plate or by proximal edge
It is internally provided with notch or hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721734055.0U CN207599623U (en) | 2017-12-13 | 2017-12-13 | Light guide plate and backing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721734055.0U CN207599623U (en) | 2017-12-13 | 2017-12-13 | Light guide plate and backing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207599623U true CN207599623U (en) | 2018-07-10 |
Family
ID=62764157
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721734055.0U Active CN207599623U (en) | 2017-12-13 | 2017-12-13 | Light guide plate and backing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207599623U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110456562A (en) * | 2019-07-29 | 2019-11-15 | 武汉华星光电技术有限公司 | A kind of backlight assembly, its display device and its application terminal |
-
2017
- 2017-12-13 CN CN201721734055.0U patent/CN207599623U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110456562A (en) * | 2019-07-29 | 2019-11-15 | 武汉华星光电技术有限公司 | A kind of backlight assembly, its display device and its application terminal |
| US10901261B1 (en) | 2019-07-29 | 2021-01-26 | Wuhan China Optoelectronics Technology Co., Ltd. | Backlight assembly, display device thereof and application thereof in terminal |
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