CN205787207U - Light guide plate and display device - Google Patents
Light guide plate and display device Download PDFInfo
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- CN205787207U CN205787207U CN201620744952.9U CN201620744952U CN205787207U CN 205787207 U CN205787207 U CN 205787207U CN 201620744952 U CN201620744952 U CN 201620744952U CN 205787207 U CN205787207 U CN 205787207U
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- light guide
- guide plate
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- bulge
- plate body
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Abstract
The utility model discloses a kind of light guide plate and display device, belong to Display Technique field.Described light guide plate includes: light conducting plate body, the exiting surface of described light conducting plate body is provided with multiple up-narrow and down-wide bulge-structures, each described bulge-structure includes: at least two side surface, it is formed with light shield layer at least one side surface in described at least two side surface, and the area of described light shield layer region is less than the surface area of described at least two side surface.This utility model solves the complex process of existing peep-proof film and polaroid laminating, the technical problem that manufacturing cost is higher.This utility model achieves the peep-proof technique simplified in reflective display, reduces the beneficial effect of manufacturing cost.This utility model is for the peep-proof of image.
Description
Technical field
This utility model relates to Display Technique field, particularly to a kind of light guide plate and display device.
Background technology
Reflective display is a kind of novel display device, and it can utilize the environment light source of surrounding to come as illumination
Source is to show picture, and therefore, compared with traditional penetration display device, reflective display has the excellent of energy-conserving and environment-protective
Gesture, paying close attention to the most widely by people.In the actual application of reflective display, when environment light source is launched
When the light that goes out is more weak, the brightness of reflective display is low, and display effect is the best.In order to solve the problems referred to above, prior art
In by reflective display increase front located light source auxiliary reflective display show, increase front located light source
After, the display effect of reflective display is more preferably.
Along with reflective display is used for the every field of life, reflective display is proposed new by people
Requirement, such as peep-proof requirement.The peep-proof technology of relative maturity is micro-shutter technology at present, and this technology is by micro-shutter peep-proof film
The backlight module being applied in display device or display screen surface, can play peep-proof effect.It is being provided with the anti-of front located light source
Penetrate in formula display device, peep-proof film and polaroid can be carried out laminating to realize its peep-proof effect.
But, in existing reflective display, the complex process that peep-proof film is fitted with polaroid, manufacturing cost is relatively
High.
Utility model content
The complex process of peep-proof film with polaroid laminating in order to solve prior art, the technology that manufacturing cost is higher is asked
Topic, this utility model embodiment provides a kind of light guide plate and display device.Described technical scheme is as follows:
On the one hand, it is provided that a kind of light guide plate, including:
Light conducting plate body, the exiting surface of described light conducting plate body is provided with multiple up-narrow and down-wide bulge-structures, each
Described bulge-structure includes: at least two side surface, and at least one side surface in described at least two side surface is formed
Light shield layer, and the area of described light shield layer region is less than the surface area of described at least two side surface.
Optionally, be formed on the side surface of described light shield layer and be also formed with reflector layer, described reflector layer be positioned at described in lead
Between tabula rasa body and described light shield layer.
Optionally, described bulge-structure is prism structure,
Multiple described prism structures along grid line scanning direction at the exiting surface array arrangement of described light conducting plate body, Mei Gesuo
State the vertical described grid line scanning direction of length direction of prism structure or be default angle with described grid line scanning direction.
Optionally, the length of each described prism structure described grid line scanning direction vertical with on described light guide plate
The length of side equal.
Optionally, the base angle of the figure that the longitudinal cross-section of described prism structure is formed is acute angle, hangs down in described longitudinal cross-section
Straight in the exiting surface of described light conducting plate body.
Optionally, the figure that the longitudinal cross-section of described prism structure is formed is trapezoidal or triangle.
Optionally, described prism structure is 3 prism structures.
Optionally, multiple described bulge-structures are rectangular arrangement at the exiting surface of described light conducting plate body, each described
Bulge-structure includes 4 side surfaces.
Optionally, the incidence surface of described light conducting plate body is provided with guide-lighting site.
On the other hand, it is provided that a kind of display device, including:
Display floater；
Being formed with light guide plate on described display floater, described light guide plate side is provided with light source, more than described light guide plate is
Arbitrary described light guide plate.
The light guide plate that this utility model embodiment provides, multiple upper owing to being provided with on the exiting surface of light conducting plate body
Narrow lower wide bulge-structure, and it is formed with light shield layer at least one side surface of bulge-structure, it is achieved that peep-proof function, letter
Change the peep-proof technique in reflective display, reduce manufacturing cost.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme in this utility model embodiment, required in embodiment being described below
Accompanying drawing to be used is briefly described, it should be apparent that, the accompanying drawing in describing below is only realities more of the present utility model
Execute example, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to according to these accompanying drawings
Obtain other accompanying drawing.
Fig. 1 is the structural representation of a kind of light guide plate that this utility model embodiment provides；
Fig. 2 is the structural representation of the another kind of light guide plate that this utility model embodiment provides；
Fig. 3 is the enlarged schematic partial view of the light guide plate in Fig. 1；
Fig. 4 is showing of the figure that formed of the longitudinal cross-section of prism structure of the light guide plate that this utility model embodiment provides
It is intended to；
Fig. 5 is the structural representation of another light guide plate that this utility model embodiment provides；
Fig. 6 is the structural representation of a kind of display device that this utility model embodiment provides.
Detailed description of the invention
For making the purpose of this utility model, technical scheme and advantage clearer, new to this practicality below in conjunction with accompanying drawing
Type embodiment is described in further detail.
This utility model embodiment provides the structural representation of a kind of light guide plate 0, as it is shown in figure 1, include:
Light conducting plate body 01, the exiting surface of this light conducting plate body 01 is provided with multiple up-narrow and down-wide bulge-structures 02,
As in figure 2 it is shown, each bulge-structure 02 includes: at least two side surface, at least one side surface at least two side surface
On be formed with light shield layer (Fig. 1 does not indicates), and the area of light shield layer region is less than the surface area of at least two side surface, hides
Photosphere can carry out shading, it is achieved peep-proof purpose, and the unlapped region of light shield layer can realize display effect.With at least in Fig. 2
Schematically illustrate as a example by being formed with light shield layer 021 on a side surface in two side surfaces.
In sum, the light guide plate that this utility model embodiment provides, owing to arranging on the exiting surface of light conducting plate body
Multiple up-narrow and down-wide bulge-structure, and it is formed with light shield layer at least one side surface of bulge-structure, it is achieved that
Peep-proof function, simplifies the peep-proof technique in reflective display, reduces manufacturing cost.
Optionally, as it is shown on figure 3, Fig. 3 is the enlarged schematic partial view of the light guide plate in Fig. 1, it is formed with light shield layer 021
Being also formed with reflector layer 022 on side surface, this reflector layer 022 is between light conducting plate body 01 and light shield layer 021.In this practicality
In new embodiment, reflector layer is used for reflecting light, can increase light intensity utilization rate, this reflector layer usually white or silver color material
Material is made, and light shield layer plays interception, and this light shield layer usually black material is made, can be identical with the material of black matrix.
In this utility model embodiment, as in figure 2 it is shown, bulge-structure 02 can be prism structure, in light guide plate 0,
(the direction x) in Fig. 2 is at the exiting surface array arrangement of light conducting plate body, each prism along grid line scanning direction for multiple prism structures
The length direction vertical gate line scanning direction of structure or be default angle with grid line scanning direction.In actual applications, this is pre-
If angle can be configured according to concrete shading demand, it is achieved the peep-proof effect of different angles in reflective display.
Further, in this utility model embodiment, the length of each prism structure can grid line vertical with on light guide plate
The length of side on one side (limit, y place, direction in Fig. 2) of scanning direction (that is to say data wire scanning direction) is equal.
As shown in Figure 4, the base angle of the figure that the longitudinal cross-section of prism structure is formed is acute angle, and this longitudinal cross-section is perpendicular to
The exiting surface of light conducting plate body.The figure that the longitudinal cross-section of prism structure is formed can be trapezoidal or triangle.Prism structure
The figure that formed of longitudinal cross-section when being trapezoidal, this prism structure is 4 prism structures, and the longitudinal cross-section of prism structure is formed
Figure when being triangle, this prism structure is 3 prism structures.Fig. 4 be trapezoidal as a example by illustrate, its base angle be respectively a and
B, 0 ° of ＜ a ＜ 90 °, 0 ° of ＜ b ＜ 90 °, the desirable equivalence of a Yu b.The concrete numerical value of a Yu b can be according to the real needs of user
Fixed, the biggest then light transmission rate of angle of shading surface side is the highest, and the screen intensity of display device is the biggest, accordingly, and peep-proof angle
Spend the least.The base angle of the figure that the longitudinal cross-section of prism structure is formed is acute angle, it is ensured that suitably peep-proof angle.Need
Being noted that the figure that above-mentioned longitudinal cross-section is formed can also be for other up-narrow and down-wide figures, this utility model is implemented
This is not repeated by example.
In actual application, the concrete shape of each bulge-structure can also be adjusted according to practical situation, such as Fig. 5 institute
Showing, multiple bulge-structures 02 are rectangular arrangement at the exiting surface of light conducting plate body 01, and each bulge-structure 02 includes 4 side tables
Face.Region M in Fig. 5 is shown that the enlarged diagram of a bulge-structure 02.The structure of the light guide plate in Fig. 5 can regard
Multiple little bulge-structure is become for being blocked by each bulge-structure 02 in the light guide plate shown in Fig. 2.Light is gone out at light guide plate
Do above-mentioned micro structure on face to process, make light guide plate integrated peep-proof function while playing guide-lighting effect, so that reflective display
Device has peep-proof function in the case of not being used alone peep-proof film, will not increase the thickness of display device, simplify making
Technique, reduces product cost, improves the display effect of product.
Optionally, the incidence surface of light conducting plate body can be provided with guide-lighting site.This leaded light site can strengthen light and utilize
Rate.
In this utility model embodiment, at least one side surface of multiple prism structures of light guide plate is done by light shield layer
Shading treatment, is applied to display device by this light guide plate, and the onlooker being positioned at ad-hoc location can be made cannot to see display device
Image content so that display device possesses preferably peep-proof effect, meanwhile, peep-proof design compared to existing technology, display
Device is without additionally arranging peep-proof film, thus simplifies the structure of display device, reduces production cost, can effectively protect
The individual privacy of user or trade secret, can be used for car-mounted display etc. needs the display field of peep-proof function.
The structural representation of this utility model embodiment a kind of display device of offer, as shown in Figure 6, including:
Display floater 1；Being formed with light guide plate 0 on display floater, light guide plate side is provided with light source, and this practicality of light guide plate is new
Arbitrary light guide plate that type embodiment provides.
Further, as shown in Figure 6, this display device can also include: is sequentially formed at the scattering on this display floater
Film 2, polaroid 3, optical clear adhesive are (English: Optically ClearAdhesive；It is called for short: OCA) 4, and is formed at this
The light source 5 of light guide plate 0 side, it is (English: Integrated Circuit that this display floater edge is also formed with integrated circuit；Letter
Claim: IC) 6.
Display device can be: liquid crystal panel, Electronic Paper, oled panel, mobile phone, panel computer, television set, display,
Any product with display function or the parts such as notebook computer, DPF, navigator.
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, all in this practicality
Within novel spirit and principle, any modification, equivalent substitution and improvement etc. made, should be included in guarantor of the present utility model
Within the scope of protecting.
Claims (10)
1. a light guide plate, it is characterised in that including:
Light conducting plate body, the exiting surface of described light conducting plate body is provided with multiple up-narrow and down-wide bulge-structures, each described
Bulge-structure includes: at least two side surface, and at least one side surface in described at least two side surface is formed with shading
Layer, and the area of described light shield layer region is less than the surface area of described at least two side surface.
Light guide plate the most according to claim 1, it is characterised in that be formed on the side surface of described light shield layer and be also formed with
Reflector layer, described reflector layer is between described light conducting plate body and described light shield layer.
Light guide plate the most according to claim 1 and 2, it is characterised in that described bulge-structure is prism structure,
Multiple described prism structures along grid line scanning direction at the exiting surface array arrangement of described light conducting plate body, each described rib
The vertical described grid line scanning direction of length direction of rod structure or be default angle with described grid line scanning direction.
Light guide plate the most according to claim 3, it is characterised in that the length of each described prism structure and described light guide plate
The length of side on one side of upper vertical described grid line scanning direction is equal.
Light guide plate the most according to claim 3, it is characterised in that
The base angle of the figure that the longitudinal cross-section of described prism structure is formed is acute angle, and described longitudinal cross-section is perpendicular to described leaded light
The exiting surface of plate body.
Light guide plate the most according to claim 5, it is characterised in that
The figure that the longitudinal cross-section of described prism structure is formed is trapezoidal or triangle.
Light guide plate the most according to claim 3, it is characterised in that
Described prism structure is 3 prism structures.
Light guide plate the most according to claim 1 and 2, it is characterised in that
Multiple described bulge-structures are rectangular arrangement at the exiting surface of described light conducting plate body, and each described bulge-structure includes
4 side surfaces.
Light guide plate the most according to claim 1, it is characterised in that
The incidence surface of described light conducting plate body is provided with guide-lighting site.
10. a display device, it is characterised in that including:
Display floater；
Being formed with light guide plate on described display floater, described light guide plate side is provided with light source, and described light guide plate is claim 1
To 9 arbitrary described light guide plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620744952.9U CN205787207U (en) | 2016-07-14 | 2016-07-14 | Light guide plate and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620744952.9U CN205787207U (en) | 2016-07-14 | 2016-07-14 | Light guide plate and display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205787207U true CN205787207U (en) | 2016-12-07 |
Family
ID=58122271
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620744952.9U Active CN205787207U (en) | 2016-07-14 | 2016-07-14 | Light guide plate and display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205787207U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108469007A (en) * | 2017-02-22 | 2018-08-31 | 采资新技股份有限公司 | Light shield optical module |
| CN108735912A (en) * | 2017-04-18 | 2018-11-02 | 上海和辉光电有限公司 | Organic light-emitting display device |
| CN111208593A (en) * | 2018-11-01 | 2020-05-29 | 苏州欧菲光科技有限公司 | Prevent back shadow membrane and on-vehicle touch membrane screen |
-
2016
- 2016-07-14 CN CN201620744952.9U patent/CN205787207U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108469007A (en) * | 2017-02-22 | 2018-08-31 | 采资新技股份有限公司 | Light shield optical module |
| CN108469007B (en) * | 2017-02-22 | 2020-01-03 | 采资新技股份有限公司 | Optical assembly of light shield |
| CN108735912A (en) * | 2017-04-18 | 2018-11-02 | 上海和辉光电有限公司 | Organic light-emitting display device |
| CN111208593A (en) * | 2018-11-01 | 2020-05-29 | 苏州欧菲光科技有限公司 | Prevent back shadow membrane and on-vehicle touch membrane screen |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |