CN106324747A - Front light panel and half-penetration reverse display device thereof - Google Patents
Front light panel and half-penetration reverse display device thereof Download PDFInfo
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- CN106324747A CN106324747A CN201610871438.6A CN201610871438A CN106324747A CN 106324747 A CN106324747 A CN 106324747A CN 201610871438 A CN201610871438 A CN 201610871438A CN 106324747 A CN106324747 A CN 106324747A
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- light
- crystal layer
- liquid crystal
- angle
- light type
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Classifications
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0033—Means for improving the coupling-out of light from the light guide
- G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL 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
- G02F1/00—Devices 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
- G02F1/01—Devices 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
- G02F1/13—Devices 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
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
Abstract
The invention provides a front light panel and a half-penetration reverse display device thereof. The front light panel is applied to the half-penetration reverse display device with a liquid crystal layer and provided with a light inlet surface, a light outlet surface and a lower surface; the light inlet surface is used for receiving light rays, the light outlet surface and the lower surface are oppositely arranged and are perpendicularly adjacent to the light inlet surface, and the liquid crystal layer is arranged to correspond to the lower surface. The front light panel is further provided with a plurality of microstructures arranged on the light outlet surface, so that the light rays entering the front light panel from the light inlet surface go out of the front light panel through the light outlet surface in a first light type and go out of the front light panel through the lower surface in a second light type, an included angle formed between the main light axis of the first light type and the reference axis of the vertical light inlet surface ranges from 15 degrees to 25 degrees, and an included angle between the main light axis of the second light type and the reference axis ranges from 55 degrees to 65 degrees. Therefore, the light rays of the second light type are provided for the liquid crystal layer within the included angle ranging from 55 degrees to 65 degrees and carry picture information provided by the liquid crystal layer to be reflected to the light outlet surface, and then the condition that due to the fact that the included angle formed between the advancing direction of the light rays and the reference axis is too small, the light rays directly penetrate through the liquid crystal layer is avoided.
Description
Technical field
The present invention is relevant to field of display devices, a kind of front tabula rasa that can be applicable to partly wear anti-display device and
Partly wear anti-display device.
Background technology
Existing display device belongs to the display of non-self luminescence mostly, and penetration can be divided into reflective.Penetration shows
Showing device configures a backlight module in lower panels and uses as backlight, and to form display picture, reflective display is then
The mode adopting reflection environment light forms display picture.In recent years, due to portable product universalness with its to slim and power saving
The requirement of aspect, is i.e. widely used on portable product as the reflective display of light source through ambient light.But
It is that, when reflective display uses under indoor or relatively dark situation, its display quality then can decline to a great extent, contrast can be produced not
The good situations such as image quality distortion that cause, and reflective display in design on also have certain difficulty.Therefore relevant manufactures changes then with half
Wear anti-display device and replace reflective display, in the hope of improving display quality.
Partly wearing anti-display device and belong to the Display Technique starting development in the recent period, it is provided simultaneously with penetration and reflective display
The characteristic of device.For current product, partly wear general meeting prestowage backlight module in anti-display device, in order to work as ambient light
Do not light backlight module time stronger, penetrate panel Refl-Luminous merely with ambient light, reach electricity saving function and prevented bright situation
Impact viewing；If when indoor or ambient light are more weak, then backlight module being lighted, utilizing it as light source and reaching display
Purpose, it is to avoid the situation of too dark brightness occurs.
But, at present depending on partly wearing the application demand of anti-display device, the design of its structure still has multiple change can be to be developed,
But why the most partly wearing the structure of anti-display device, its final purpose is all and the most effectively promotes the display partly wearing anti-display device
Usefulness so that it is have and preferably use quality, those targets are the exploitation main points that relevant manufactures is important.
Summary of the invention
The technical problem to be solved in the present invention be in order to overcome of the prior art partly wear anti-display device exist display effect
Defect that can be the best with quality, it is provided that tabula rasa and partly wear anti-display device before a kind of, it may conform to partly wear anti-display device
Light demand, to reach show purpose and improve display device entirety display usefulness and quality.
The present invention solves above-mentioned technical problem by following technical proposals:
Tabula rasa before a kind of, is used for being applied to half and wears anti-display device, and this is partly worn anti-display device and has a liquid crystal layer, should
Front tabula rasa has an incidence surface, an exiting surface and a lower surface, and this incidence surface is for receiving the light of at least one light source, and this goes out light
Face and this lower surface for be oppositely arranged and respectively with this incidence surface perpendicular abutment, this liquid crystal layer to arranging by lower surface, its spy
Point is:
This front tabula rasa has more some micro structures, and those micro structures are arranged at this exiting surface, makes light enter from this incidence surface
Form out light with one first light type respectively at this exiting surface and form out light in this lower surface with one second light type after entering, and should
The angle of the primary optical axis of the first light type and a reference axis of this incidence surface vertical between 15～25 degree, the primary optical axis of this second light type
With the angle of this reference axis between 55～65 degree；
Thus, this second light type partly wears this liquid crystal layer of anti-display device with the described angle between 55～65 degree towards this
Light is provided, and in carrying an image information back reflection that this liquid crystal layer provided to this exiting surface, and then avoid because of light row
The angle entering direction and this reference axis is the least and is directed through this liquid crystal layer.
In view of partly wearing the characteristic of anti-display device, front tabula rasa is made to have aforementioned first light type and the through those micro structures
Two light type go out optical mode, make liquid crystal layer can definitely obtain front tabula rasa provide light to reach display purpose.
It is preferred that 50% maximum light intensity enveloping surface section angle of this first light type is 20 degree, by disclosing the second light
The light of type carries out state, can have with this understanding and preferably show usefulness.
It is preferred that 50% maximum light intensity enveloping surface section angle of this second light type is 20 degree, by being exposure second
The light of light type carries out state, to obtain preferably display quality.
Arrange to bind with this liquid crystal layer it is preferred that this lower surface is coated with an optical cement, and make this first light type and be somebody's turn to do
The flux ratio of the second light type is 2:8, so that front tabula rasa and liquid crystal layer mutually group sets.Optical cement removes can be by front tabula rasa and liquid crystal
Layer mutually binds outside fixing, it is possible to improves the light ray energy being gone out light by lower surface through its characteristic guiding light, makes liquid crystal layer
Obtain enough light intensities.
It is preferred that the trapezoidal recess of those micro structures is distributed in this exiting surface, and the bottom of those micro structures arbitrary with
The angle of sidewall is 130～150 degree, makes this front tabula rasa have more preferably for exhibition angle and the primary optical axis of the first light type with the second light type
Control light effect.
The present invention it is also disclosed that one partly wears anti-display device, and its feature is, comprising:
One light source；
Tabula rasa before one, has an incidence surface, an exiting surface, a lower surface and some micro structures, and this incidence surface is used for receiving
The light that this light source sends, this exiting surface and this lower surface be oppositely arranged and respectively with this incidence surface perpendicular abutment, this is tied slightly
Structure is arranged at this exiting surface, makes light be formed with one first light type respectively at this exiting surface after this incidence surface enters this front tabula rasa
Go out light and form out light in this lower surface with one second light type, and the primary optical axis of this first light type and the one of this incidence surface vertical
The angle of reference axis is between 15～25 degree, and the primary optical axis of this second light type and the angle of this reference axis are between 55～65 degree；And
One liquid crystal layer, to arranging by lower surface；
Thus, this second light type provides light with the described angle between 55～65 degree towards this liquid crystal layer, and in carrying
The image information back reflection that this liquid crystal layer is provided is to this exiting surface, and then avoids because of light going direction and this reference axis
Angle is the least and is directed through this liquid crystal layer.
Thus, before adjusting through those micro structures tabula rasa go out optical mode, and make the light exposing to liquid crystal layer relatively be as the criterion
Directly, can prevent light penetration liquid crystal layer from causing the situation that cannot show picture.
It is preferred that 50% maximum light intensity enveloping surface section angle of this first light type is 20 degree, by disclosing the first light
The light of type carries out state, can obtain preferably display quality under aforementioned angular.
It is preferred that 50% maximum light intensity enveloping surface section angle of this second light type is 20 degree, by disclosing the second light
The light of type carries out state, and can make partly to wear anti-display device under aforementioned angular and have and preferably show usefulness.
Arrange to bind with this liquid crystal layer it is preferred that this lower surface is coated with an optical cement, and make this first light type and be somebody's turn to do
The flux ratio of the second light type is 2:8.By being coated with optical cement at the lower surface of this front tabula rasa, reach fixed front tabula rasa and liquid
The purpose of crystal layer, meanwhile, by optical cement in addition to can reach bonding effect, it is possible under promoting with the guiding property of optical cement
The luminous energy on surface.
It is preferred that more preferably adjust to make this front tabula rasa have for the exhibition angle of the first light type and the second light type and primary optical axis
Control effect, the trapezoidal recess of those micro structures is distributed in this exiting surface, and the folder of the bottom of those micro structures arbitrary and sidewall
Angle is 130～150 degree.
The most progressive effect of the present invention is:
The present invention disclose front tabula rasa and partly wear anti-display device, make partly to wear anti-display device tripping and used backlight mould in the past
Group is as the structure of light source, then utilizes front light-source mode.It is used in those micro structures of front tabula rasa exiting surface, adjusts bright finish
With lower surface go out light light type, the situation preventing light to be directed through liquid crystal layer through the second light type of more collimating occurs.And
Can pass through tabula rasa and the liquid crystal layer before bonding that arrange of optical cement further, and utilize the guiding property of optical cement to improve lower surface
Luminous flux, makes the light that liquid crystal layer tool is enough.
Accompanying drawing explanation
Fig. 1 is the three-dimensional exploded view partly wearing anti-display device of present pre-ferred embodiments.
Fig. 2 is the side view partly wearing anti-display device of present pre-ferred embodiments.
Fig. 3 A is the machining sketch chart of the micro structure of another pattern of present pre-ferred embodiments.
Fig. 3 B is the schematic diagram of the micro structure of another pattern of present pre-ferred embodiments.
Fig. 4 is the side view partly wearing anti-display device of another embodiment of present pre-ferred embodiments.
Fig. 5 is the decomposed figure partly wearing anti-display device of another embodiment of present pre-ferred embodiments.
Description of reference numerals
1: front tabula rasa
10: incidence surface
11: exiting surface
12: lower surface
13: micro structure
14: optical cement
2: partly wear anti-display device
20: liquid crystal layer
21: light source
22: surface cap
3: cutter
L1: the first light type
L2: the second light type
A1: the primary optical axis of the first light type
A2: the primary optical axis of the second light type
B: reference axis
α: angle
β: angle
θ1: 50% maximum light intensity enveloping surface section angle of the first light type
θ2: 50% maximum light intensity enveloping surface section angle of the second light type
A: angle
B: angle
Detailed description of the invention
Further illustrate the present invention below by the mode of embodiment, but the most therefore limit the present invention to described reality
Execute among example scope.
Current partly wear anti-display device be all utilize backlight module as the reinforcement light source beyond ambient light, it has been observed that
Partly wearing anti-display device and have the characteristic of penetration and reflective display concurrently, the present inventor is the old technological thought of tripping, house
Abandon use backlight module, and conceive and be applied to partly wear in anti-display device by the concept of front smooth module.Apply before front smooth module
In reflective display, it includes front tabula rasa and light source and is arranged at display floater front, allows front tabula rasa the most in principle
Mainly go out light towards being most important Design Designation at panel, enough go out light intensity to have and reflect to form in display floater aobvious
Show picture, go out light state through what front tabula rasa then can be effectively allocated in the setting of micro structure.Typically micro structure is arranged at front tabula rasa
Correspondence combines the surface of panel, is formed out in this surface by most of light of tabula rasa before light source entrance to guide via micro structure
Light, remaining small part light then forms out light from the exiting surface on this surface relatively., affected by micro structure, by corresponding surface meanwhile
The surface of plate go out light light light type can more deflection, that is the primary optical axis of this light type is relatively big with this normal to a surface angle, and
The light light type being gone out light by exiting surface the most comparatively collimates, that is the primary optical axis of this light type is less with the angle of surface normal.
Aforementioned is front tabula rasa design ideally, but when being applied to partly wear anti-display device, finds via Experiments of Optics repeatedly,
Based on partly wearing anti-espionage, the surface of front tabula rasa correspondence panel when going out the light type excessively deflection of light, light can be caused to be directed through,
And reflex cannot be produced in panel, cause the situation without display picture.Therefore, it is applied to partly wear anti-display device in design
Front tabula rasa time, different from passing, be not topmost Design Designation to go out light intensity, but must first contemplate light light shape
State, to prevent to be directed through the situation of display floater.Therefore, after constantly conceiving and testing, the present inventor proposes one
Plant according to partly wearing the front tabula rasa designed by anti-display device characteristic, as described below.
As shown in 1 figure and 2, it is the three-dimensional exploded view partly wearing anti-display device of present pre-ferred embodiments and partly wears anti-
The side view of display device.The present invention discloses tabula rasa 1 before one, and it is used for being applied to half and wears anti-display device 2, and partly wears anti-
Display device 2 has a liquid crystal layer 20.Front tabula rasa 1 has incidence surface 10, exiting surface 11 and an a lower surface 12, incidence surface 10
For receiving the light of at least one light source 21, and in this explanation as a example by light source 21 is as LED lamp bar.Exiting surface 11 and lower surface 12
For be oppositely arranged and respectively with incidence surface 10 perpendicular abutment, liquid crystal layer 20 then corresponding lower surface 12 is arranged.
Front tabula rasa 1 is characterised by that it has more the some micro structures 13 being arranged at exiting surface 11, makes light from incidence surface
Respectively at exiting surface 11 with one first light type L after 10 entrance1Form out light and in lower surface 12 with one second light type L2Formed out
Light, and the first light type L1Primary optical axis A1With the angle α of a reference axis B of vertical incidence surface 10 between 15～25 degree, the second light type
L2Primary optical axis A2With the angle β of reference axis B then between 55～65 degree.Thus, the second light type L2Gave an account of in the past in 55～65 degree
Angle β provides light towards the liquid crystal layer 20 partly wearing anti-display device 2, and in carrying the image information that liquid crystal layer 20 is provided
Back reflection is to exiting surface 11, and then avoids being directed through liquid crystal layer 20 because the angle of light going direction Yu reference axis B is the least.
Specifically, the light of light source 21, after incidence surface 10 enters front tabula rasa 1, is affected by the micro structure 13 being arranged at exiting surface 11, from
Lower surface goes out the second light type L of light2Can be adjusted and widen the angle β of itself and reference axis B, go out the first light type of light from exiting surface
L1Can be adjusted and reduce the angle α of itself and reference axis B, and then meet the characteristic of liquid crystal layer.It is preferred that in the present embodiment,
Those micro structures 13 are recess formation, and according to the distance with incidence surface 10, and can present density of setting by incidence surface 10 side court
The pattern that opposite side is cumulative, but, this is only a preferable set-up mode, and the present invention is not limited thereto.And it is preferred that the first light
Type L1Primary optical axis A1It is 20 degree with reference axis B angle α, the second light type L2Primary optical axis A2It is 60 degree with reference axis B angle β, with
Obtain more preferably reflecting effect.
And the first light type L1With the second light type L250% maximum light intensity enveloping surface section corner dimension, first can be determined
Light type L1With the second light type L2Carry out state that is its shape.In the present embodiment, then disclose the first light type L150% maximum
The enveloping surface section angle theta of light intensity1It is 20 degree, and the second light type L2The enveloping surface section angle theta of 50% maximum light intensity2
Also can be 20 degree, thus be available for applying the anti-display device 2 of partly wearing of aforementioned front tabula rasa 1 to have and preferably show usefulness.Wherein, figure
The first light type L shown in 21With the second light type L2Pattern only signal be used, be not actual light type shape.
As shown in figures 3 a and 3b, it is that the machining sketch chart of micro structure of another pattern of present pre-ferred embodiments is with micro-
The schematic diagram of structure.Further, the direction at exhibition angle with primary optical axis in order to control light type, the present invention is in an embodiment
In, the design trapezoidal recess of micro structure 13 is distributed in exiting surface 11, and bottom it, angle b with sidewall is 130～150 degree,
As shown in Figure 3 B.From processing method, the present embodiment may utilize the precision cutting tool 3 of inclination angle a about 50 degree and directly processes front light
Plate 1, as shown in Figure 3A, cutter 3 cuts after contacting exiting surface 11 in a rotative pattern, and then forms 3B figure such as in exiting surface 11
Shown trapezoidal recess micro structure 13.Or after processing mold reprints, then make front tabula rasa 1, and then it is micro-to form trapezoidal recess
Structure 13 and bottom it angle b with sidewall be 140 degree.Certainly, according to the nuance of manufacture process, such as tabula rasa before selecting
The coefficient of refraction difference of 1 material, overall module changes structure difference etc., it is allowed to it has the adjusted value of positive and negative ten degree.
As shown in figs. 4 and 5, it is the side-looking partly wearing anti-display device of another embodiment of present pre-ferred embodiments
Scheme and partly wear the decomposed figure of anti-display device.Set front tabula rasa 1 and liquid crystal layer 20 for group, be coated with an optics in lower surface 12
Glue 14, makes lower surface 12 bind with liquid crystal layer 20 and arranges, and make the first light type L1With the second light type L2Flux ratio be 2:8.
The total reflection condition of front tabula rasa 1 can be changed through optical cement 14, and then reach the effect attracting light to go out light, make in lower surface 12
The light ray energy going out light is more than the light ray energy being gone out light by exiting surface 11, same in obtaining the light more collimated for liquid crystal layer 20
Time, more have enough light intensities.Wherein, the first light type L shown in Fig. 41With the second light type L2Pattern only illustrate it
With, non-is actual light type shape.Additionally, due to front tabula rasa 1 is arranged at above liquid crystal layer 20, the most also can be in exiting surface 11 side cover
If a surface cap 22, as it is shown in figure 5, to reach to protect effect of front tabula rasa 1.Similarly, in this embodiment, with micro structure
13 as the most aforementioned and be that ladder type recess is arranged at explanation as a example by exiting surface 11.
For another example shown in Fig. 1～5, the present invention also discloses one and partly wears anti-display device 2, and it includes light before a light source 21,
Plate 1 and a liquid crystal layer 20.Light source 21 is correspondingly arranged at the incidence surface 10 of front tabula rasa 1, to provide light to give front tabula rasa 1.Front tabula rasa 1
In addition to tool incidence surface 10, also have respectively with incidence surface 10 perpendicular abutment and for the incidence surface 11 being oppositely arranged and lower surface 12,
And exiting surface 11 is provided with micro structure 13, and make light source 21 light after incidence surface 10 enters front tabula rasa 1, respectively at exiting surface
11 with the first light type L1Form out light, and in lower surface 12 with the second light type L2Form out light, and the first light type L1Primary optical axis
A1With the angle α of the reference axis B of vertical incidence surface 10 between 15～25 degree, the second light type L2Primary optical axis A2Folder with reference axis B
Angle beta is then between 55～65 degree.
The corresponding lower surface 12 of liquid crystal layer 20 is arranged, thus the second light type L2With the angle between 55～65 degree towards liquid crystal layer
20 provide light, and in carrying image information back reflection that liquid crystal layer 20 provided to exiting surface 11, and then avoid because of light row
Enter direction and reference axis B angle the least and be directed through liquid crystal layer 20, to reach to show usefulness.Remaining detail technical features in
Aforementioned, so repeat no more.
Similarly, disclose at this partly wears in anti-display device 2, the first light type L150% maximum light intensity enveloping surface cut open
Face angle theta1It is 20 degree, the second light type L250% maximum light intensity enveloping surface section angle theta2It is 20 degree, and makes aforementioned partly wearing instead
Display device 2 has preferably display effect.And in order to control exhibition angle and the direction of primary optical axis of light type, it is same as aforementioned, this
Bright in an embodiment, the design trapezoidal recess of micro structure 13 is distributed in exiting surface 11, and bottom it, angle b with sidewall is
130～150 degree.As shown in figures 3 a and 3b.For processing method, the present embodiment may utilize the precision cutting tool 3 of inclination angle a about 50 degree
Directly tabula rasa 1 before processing, cutter 3 cuts after contacting exiting surface 11 in a rotative pattern, and then is formed trapezoidal in exiting surface 11
The micro structure 13 of depression.Similarly, it is possible to after processing mold reprints, then make front tabula rasa 1, and then form trapezoidal recess
Micro structure 13 and bottom it angle b with sidewall be 140 degree.Certainly, according to processing procedure nuance, such as tabula rasa 1 material before selecting
Coefficient of refraction difference, overall module changes structure difference etc., it is allowed to it has the adjusted value of positive and negative ten degree.
Additionally, as shown in Figure 4, for making front tabula rasa 1 the most fixed with liquid crystal layer 20, it is coated with an optical cement in lower surface 12
14, to make liquid crystal layer 20 set with 1 group of front tabula rasa through bonding mode, and guide light go out the characteristic of light through optical cement 14, make
First light type L1With the second light type L2Flux ratio be 2:8, improve the light ray energy being gone out light by lower surface 12, make liquid crystal layer
20 can receive enough light.And as it is shown in figure 5, a surface cap 22 can be set in exiting surface 11 side cover, to reach to protect front light
Effect of plate 1.
In sum, it is different from penetration and reflective display in view of partly wearing anti-display device, is therefore supplying light
In adjustment, it is required for through repeatedly testing the most appropriate structure and the mode just can learnt, and optics is different from general machinery
Structure, not conversion or change can make light successfully achieve required mode easily, and therefore, the present inventor is numerous in research
After result of the test, just understand traditional front tabula rasa being applied to reflective display and be not suitable with for partly wearing the former of anti-display device
Cause, the most further conceives and optical test is repeated, until obtaining such as the technology contents disclosed in the present invention.And the present invention
The front tabula rasa that discloses and partly wear anti-display device, make partly to wear anti-display device tripping in the past with backlight module as the knot of light source
Structure, then utilize front light-source mode effectively to promote display quality, and before utilizing those micro structures to adjust tabula rasa go out light light type, thoroughly
Crossing the second light type more collimated provides light to give liquid crystal layer, makes the image information of liquid crystal layer can be carried and reflex to out light
Face, the situation preventing light to be directed through liquid crystal layer occurs.
Although the foregoing describing the detailed description of the invention of the present invention, it will be appreciated by those of skill in the art that these
Being merely illustrative of, protection scope of the present invention is defined by the appended claims.Those skilled in the art is not carrying on the back
On the premise of the principle and essence of the present invention, these embodiments can be made various changes or modifications, but these change
Protection scope of the present invention is each fallen within amendment.
Claims (10)
1. a tabula rasa before, is used for being applied to half and wears anti-display device, and this is partly worn anti-display device and has a liquid crystal layer, before this
Tabula rasa has an incidence surface, an exiting surface and a lower surface, and this incidence surface is for receiving the light of at least one light source, this exiting surface
With this lower surface for be oppositely arranged and respectively with this incidence surface perpendicular abutment, this liquid crystal layer to should lower surface arrange, its feature
It is:
This front tabula rasa has more some micro structures, and those micro structures are arranged at this exiting surface, makes light after this incidence surface enters
Form out light with one first light type respectively at this exiting surface and form out light in this lower surface with one second light type, and this first
The angle of the primary optical axis of light type and a reference axis of this incidence surface vertical between 15～25 degree, the primary optical axis of this second light type with should
The angle of reference axis is between 55～65 degree；
Thus, this liquid crystal layer that this second light type partly wears anti-display device with the described angle between 55～65 degree towards this provides
Light, and in carrying an image information back reflection that this liquid crystal layer provided to this exiting surface, and then avoid because of light traveling side
To the least with the angle of this reference axis and be directed through this liquid crystal layer.
2. front tabula rasa as claimed in claim 1, it is characterised in that 50% maximum light intensity enveloping surface section of this first light type
Angle is 20 degree.
3. front tabula rasa as claimed in claim 1, it is characterised in that 50% maximum light intensity enveloping surface section of this second light type
Angle is 20 degree.
4. front tabula rasa as claimed in claim 1, it is characterised in that this lower surface is coated with an optical cement to stick with this liquid crystal layer
Close and arrange, and to make the flux ratio of this first light type and this second light type be 2:8.
5. front tabula rasa as claimed in claim 1, it is characterised in that the trapezoidal recess of those micro structures is distributed in this and goes out light
Face, and the angle of the bottom of those micro structures arbitrary and sidewall is 130～150 degree.
6. one and half wear anti-display device, it is characterised in that comprising:
One light source；
Tabula rasa before one, has an incidence surface, an exiting surface, a lower surface and some micro structures, and this incidence surface is used for receiving this light
The light that source sends, this exiting surface and this lower surface be oppositely arranged and respectively with this incidence surface perpendicular abutment, those micro structures set
It is placed in this exiting surface, makes light form out light respectively at this exiting surface with one first light type after this incidence surface enters this front tabula rasa
And form out light with one second light type in this lower surface, an and benchmark of the primary optical axis of this first light type and this incidence surface vertical
The angle of axle is between 15～25 degree, and the primary optical axis of this second light type and the angle of this reference axis are between 55～65 degree；And
One liquid crystal layer, to arranging by lower surface；
Thus, this second light type provides light with the described angle between 55～65 degree towards this liquid crystal layer, and in carrying this liquid
The image information back reflection that crystal layer is provided is to this exiting surface, and then avoids because of the angle of light going direction Yu this reference axis
The least and be directed through this liquid crystal layer.
7. partly wear anti-display device as claimed in claim 6, it is characterised in that 50% maximum light intensity bag of this first light type
Network face section angle is 20 degree.
8. partly wear anti-display device as claimed in claim 6, it is characterised in that 50% maximum light intensity bag of this second light type
Network face section angle is 20 degree.
9. partly wear anti-display device as claimed in claim 6, it is characterised in that this lower surface be coated with an optical cement with this
Liquid crystal layer binds and arranges, and to make the flux ratio of this first light type and this second light type be 2:8.
10. partly wear anti-display device as claimed in claim 6, it is characterised in that the trapezoidal recess of those micro structures is distributed
In this exiting surface, and the angle of the bottom of those micro structures arbitrary and sidewall is 130～150 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610871438.6A CN106324747A (en) | 2016-09-30 | 2016-09-30 | Front light panel and half-penetration reverse display device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610871438.6A CN106324747A (en) | 2016-09-30 | 2016-09-30 | Front light panel and half-penetration reverse display device thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106324747A true CN106324747A (en) | 2017-01-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610871438.6A Pending CN106324747A (en) | 2016-09-30 | 2016-09-30 | Front light panel and half-penetration reverse display device thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110488540A (en) * | 2019-08-30 | 2019-11-22 | 上海中航光电子有限公司 | A kind of display device |
| CN111899661A (en) * | 2020-08-19 | 2020-11-06 | 苏州茂立光电科技有限公司 | Front light module and reflective display device thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2648460Y (en) * | 2003-08-29 | 2004-10-13 | 三和企业股份有限公司 | Net-point structure of light conducting board |
| CN1834754A (en) * | 2005-03-16 | 2006-09-20 | 欧姆龙株式会社 | Double-side display device and surface light source device |
| US20080278658A1 (en) * | 2007-05-08 | 2008-11-13 | Samsung Electronics Co., Ltd. | Front light unit and flat display apparatus employing the same |
| CN203519976U (en) * | 2013-10-17 | 2014-04-02 | 华映视讯（吴江）有限公司 | Transparent display |
-
2016
- 2016-09-30 CN CN201610871438.6A patent/CN106324747A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2648460Y (en) * | 2003-08-29 | 2004-10-13 | 三和企业股份有限公司 | Net-point structure of light conducting board |
| CN1834754A (en) * | 2005-03-16 | 2006-09-20 | 欧姆龙株式会社 | Double-side display device and surface light source device |
| US20080278658A1 (en) * | 2007-05-08 | 2008-11-13 | Samsung Electronics Co., Ltd. | Front light unit and flat display apparatus employing the same |
| CN203519976U (en) * | 2013-10-17 | 2014-04-02 | 华映视讯（吴江）有限公司 | Transparent display |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110488540A (en) * | 2019-08-30 | 2019-11-22 | 上海中航光电子有限公司 | A kind of display device |
| CN111899661A (en) * | 2020-08-19 | 2020-11-06 | 苏州茂立光电科技有限公司 | Front light module and reflective display device thereof |
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Application publication date: 20170111 |