CN103727455A - Light-emitting module and display device - Google Patents
Light-emitting module and display device Download PDFInfo
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- CN103727455A CN103727455A CN201210393711.0A CN201210393711A CN103727455A CN 103727455 A CN103727455 A CN 103727455A CN 201210393711 A CN201210393711 A CN 201210393711A CN 103727455 A CN103727455 A CN 103727455A
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Abstract
The invention provides a light-emitting module. The light-emitting module is used in cooperation with a display panel, and the display panel has a plurality of pixels. The light-emitting module comprises a light guide plate, a plurality of light guide elements and a light-emitting unit, wherein the light guide plate can guide the direction of light, and is provided with at least one light incident face and two opposite side faces, the light guide elements are arranged on one of the side faces of the light guide plate, the light guide elements are arranged corresponding to the pixels in a one-to-one mode, a user can observe the light guide elements in the direction perpendicular to the side face with the light guide elements, the overhead view area of each light guide element is larger than zero and smaller than the area of the pixel corresponding to the light guide element, the light-emitting unit is arranged on the light incident face of the light guide plate, after the light emitted by the light-emitting unit enters the light guide plate, the light is guided through the light guide plate and the light guide elements, and the light can be guided out through one of the side faces of the light guide plate in a bright-and-dark alternate arrangement mode. By the adoption of the light-emitting module, the frequency of the phenomenon of interference fringes of optical diffraction can be reduced, and display quality of a display device is improved.
Description
Technical field
The invention relates to lighting apparatus technology, particularly, is about a kind of light emitting module and display unit.
Background technology
In recent years, because light emitting diode (Light Emitting Diode, LED) is in the continuous improvement aspect technique and material, the luminous efficiency of light emitting diode is significantly promoted.Be different from general fluorescent lamp or Electricity-saving lamp bulb, the characteristic such as light emitting diode has low power consumption, long service life, safe, emission response time is short and volume is little, is therefore also little by little applied in lighting apparatus, lamp box or light emitting module.Wherein, lighting apparatus is for example head, taillight or other the lighting device of indoor and outdoor light fixture, flashlight, locomotive, and light emitting module for example can be applied and become backlight module or other purposes of display unit.
Please refer to shown in Figure 1A and Figure 1B, it is respectively schematic perspective view and the schematic side view of existing a kind of display unit 1.
Display unit 1 comprises a display floater 11 and a light emitting module 12.In this, light emitting module 12 is the backlight module of display unit 1, and the L that can emit beam is through display floater 11, with show image picture.
But, when light L is penetrated by the exiting surface O of LGP 122, light form on exiting surface O is that bright inner room is every staggered skew lines figure, owing to thering is the staggered light shield layer of strip on display floater 11, (be black matrix", light tight, figure does not show), as shown in the region A of Fig. 1 C, (the linear fringe M showing in Fig. 1 C is formed by light shield layer by light L, and the upper bright dark staggered skew lines light of the exiting surface O that slanted bar line N is LGP 122 is formed), can make the light that penetrates display floater 11 occur the interference phenomenon of optical diffraction and occur that (the region A of Fig. 1 C only indicates an interference fringe to interference fringe, all the other do not indicate), that is there is folded line (Moir é) phenomenon being commonly called as, cause the display quality of display unit 1 to reduce.
Therefore, how to provide a kind of light emitting module and display unit, can change bright dipping light shape, and destroy interference fringe and improve the display quality of display unit, become one of important topic.
Summary of the invention
Because above-mentioned problem, object of the present invention is for providing one can change bright dipping light shape, and destroys interference fringe and improve light emitting module and the display unit of the display quality of display unit.
For reaching above-mentioned purpose, according to a kind of light emitting module of the present invention, coordinate with a display floater, display floater has multiple pixels, and each pixel has respectively pixel multiple times, and light emitting module comprises a LGP, multiple light-guide device and a luminescence unit.LGP can directing light direction, and there is the side that at least one incidence surface is relative with two, these light-guide devices be arranged at LGP these sides one of them, each light-guide device respectively with a corresponding setting of pixel, by vertical these sides direction wherein, observed, the area of overlooking of each light-guide device is greater than respectively zero, and be less than the area of the pixel corresponding with light-guide device, luminescence unit is arranged at the incidence surface place of LGP, the light that wherein luminescence unit sends enters after LGP, by the guiding of LGP and these light-guide devices, can one of them derivation by these sides of LGP with bright dark staggered form by light.
In one embodiment, by a direction wherein of parallel these sides, observed, these light-guide devices be shaped as groove shape or convex.
In one embodiment, on each light-guide device, a reflecting material is set respectively.
In one embodiment, by the side surface direction of vertical these light-guide device settings, observed, the plan view shape of each light-guide device is respectively polygon, ellipse, circle, > shape or irregular shape.
In one embodiment, display floater has one first pixel and one second pixel, the first pixel and the second pixel at least contain respectively pixel three times, this grade pixel is respectively for the first time pixel, pixel and pixel for the third time for the second time from left to right, these light-guide devices are respectively one first light-guide device and one second light-guide device from left to right, the corresponding setting of pixel for the first time of the first light-guide device and the first pixel, the corresponding setting of pixel for the second time of the second light-guide device and the second pixel.
In one embodiment, display floater has one first pixel and one second pixel, the first pixel and the second pixel at least contain respectively pixel three times, this grade pixel is respectively for the first time pixel, pixel and pixel for the third time for the second time from left to right, these light-guide devices are respectively one first light-guide device and one second light-guide device from left to right, the corresponding setting of pixel for the first time of the first light-guide device and the first pixel, the corresponding setting of pixel for the third time of the second light-guide device and the second pixel.
In one embodiment, display floater has one first pixel and one second pixel, the first pixel and the second pixel at least contain respectively pixel three times, this grade pixel is respectively for the first time pixel, pixel and pixel for the third time for the second time from left to right, these light-guide devices are respectively one first light-guide device and one second light-guide device from left to right, the corresponding setting of pixel for the first time of the first light-guide device and the first pixel, the corresponding setting of pixel for the first time of the second light-guide device and the second pixel.
In one embodiment, each light-guide device respectively with a time corresponding setting of pixel, by vertical these sides direction wherein, observed, the area of overlooking of each light-guide device is greater than respectively zero, and is less than or equal to respectively the area of the inferior pixel corresponding with light-guide device.
In one embodiment, the line of the geometric center of this grade pixel corresponding with these light-guide devices is respectively a straight line, oblique line or many broken lines that segment link forms.
For reaching above-mentioned purpose, according to a kind of display unit of the present invention, comprise a display floater and a light emitting module.Display floater has multiple pixels, and each pixel has respectively pixel multiple times.Light emitting module is relative with display floater and establish, and comprise a LGP, multiple light-guide devices and a luminescence unit, LGP can directing light direction, and there is the side that at least one incidence surface is relative with two, these light-guide devices be arranged at LGP these sides one of them, each light-guide device respectively with a corresponding setting of pixel, by vertical these sides direction wherein, observed, the area of overlooking of each light-guide device is greater than respectively zero, and be less than the area of the pixel corresponding with light-guide device, luminescence unit is arranged at the incidence surface of LGP, the light that luminescence unit sends enters after LGP, by the guiding of LGP and these light-guide devices, can one of them derivation by these sides of LGP with bright dark staggered form by light.
In one embodiment, the backlight module that light emitting module is display unit.
In one embodiment, the parallax barrier element that light emitting module is display unit.
From the above, in foundation light emitting module of the present invention and display unit, display floater has multiple pixels.In addition, each light-guide device of light emitting module respectively with a corresponding setting of pixel, and observed by vertical these sides direction wherein, the area of overlooking of each light-guide device is greater than respectively zero, and is less than the area of the pixel corresponding with light-guide device.By this, when light is during by the side directive display floater of the LGP of light emitting module, by each light-guide device respectively with a corresponding setting of pixel, and each light-guide device overlook the setting that area is less than the area of the pixel corresponding with light-guide device, can be on side the bright dark staggered light of forming curves shape, and this curvilinear bright dark staggered light can reduce the interference fringe phenomenon of optical diffraction, therefore, can promote the display quality of display unit.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, below the accompanying drawing of required use during embodiment is described is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Figure 1A and Figure 1B are respectively schematic perspective view and the schematic side view of existing a kind of display unit;
Fig. 1 C is a kind of schematic diagram of optical interference striped;
Fig. 2 A and Fig. 2 B are respectively schematic perspective view and the schematic side view of a kind of display unit of preferred embodiment of the present invention;
Fig. 2 C is in Fig. 2 A, the inferior pixel of display floater and the corresponding schematic diagram of these light-guide devices;
Fig. 2 D is the inferior pixel of display unit and the corresponding schematic diagram of these light-guide devices of another aspect of preferred embodiment of the present invention;
Fig. 2 E is the schematic side view of the display unit of another aspect of the present invention;
Fig. 3 is the schematic perspective view of a kind of display unit of another enforcement aspect of the present invention; And
Fig. 4 A and Fig. 4 B are respectively the schematic side view of a kind of display unit of another enforcement aspect of the present invention.
Reference numeral
1,3,3a, 3b, 3c, 3d, 3e: display unit
11,4: display floater
12,2,2a, 2b, 2c, 2d: light emitting module
121: light source
122,21,21a, 21b, 21c: LGP
123,211,211a, 211b, 211c, 211d, 211e: light-guide device
22,23: luminescence unit
221,231: light emitting diode
222,232: circuit board
24: reflecting material
25: light attenuation element
A: region
B, Bb, G, Gb, R, Ra, Rc: inferior pixel
B1: bottom surface
BL: backlight module
I: incidence surface
L: light
L1: oblique line
L2: broken line
M: vertical bar line
N: slanted bar line
O: exiting surface
P: width
S1, S2: side
X: first direction
Y: second direction
The specific embodiment
Hereinafter with reference to correlative type, a kind of light emitting module and display unit according to preferred embodiment of the present invention are described, wherein identical element will be illustrated with identical reference marks.
Please refer to shown in Fig. 2 A, Fig. 2 B and Fig. 2 C, wherein, Fig. 2 A and Fig. 2 B are respectively schematic perspective view and the schematic side view of a kind of display unit 3 of preferred embodiment of the present invention, and Fig. 2 C is in Fig. 2 A, the inferior pixel of display floater 4 and the corresponding schematic diagram of these light-guide devices.In this, Fig. 2 A to Fig. 2 C is signal just, does not show real object ratio.In addition, in order to clearly demonstrate, Fig. 2 C only shows inferior pixel and LGP 21 and the light-guide device of display floater 4, does not show other element of display floater 4.
These light-guide devices 211 are arranged at these sides S1 of LGP 21, one of them of S2, and in this, light-guide device 211 is arranged at the side S1 of LGP 21.But, at other, implement in aspect, light-guide device 211 also can be arranged at the side S2 of LGP 21.The present invention does not limit the light-guide device of how much quantity 211 on LGP 21.Wherein, non-intersect, not overlapping between any two light-guide devices 211 and be not communicated with.
Each light-guide device 211 respectively with a corresponding setting of pixel.In the present embodiment, as shown in Figure 2 C, each light-guide device 211 respectively with a time corresponding setting of pixel.In this, in fact light-guide device 211 is respectively the micro-structural (microstructures also can be described as groove) towards side S2 depression, and can for example with etching, optics or mechanical system, be formed on the side S1 of LGP 21.In addition, light-guide device 211 also can be the micro-structural of a projection, can reach equally similar effect, and the present invention is not specially limited.
In the present embodiment, as shown in Figure 2 B, each light-guide device 211 is along the direction of a first direction X(parallel side S1) there is respectively an opening, opening has a width P, and width P is between 50 microns and 150 microns.In addition, each light-guide device 211 is along the direction of first direction X(parallel side S1) section shape can be respectively arc, polygon (can comprise triangle, square, rectangle, trapezoidal, regular polygon) or irregular shape.Moreover, the side S1 direction that each light-guide device 211 is arranged by vertical these light-guide devices 211 is observed (i.e. a second direction Y), the plan view shape of each light-guide device 211 can for example be respectively polygon, ellipse, > shape, circle or irregular shape, and the overlooking area and can be greater than zero of each light-guide device 211, and be less than respectively the area of the pixel corresponding with light-guide device 211.Particularly, the overlooking area and can be greater than zero of each light-guide device 211, and be less than or equal to respectively the area of the inferior pixel corresponding with light-guide device 211.In this, each light-guide device 211 is along the direction of first direction X(parallel side S1) section shape respectively with quadrangle, and it overlooks (direction of vertical side S1) shape respectively with quadrangle, and its to overlook the area that area equals the inferior pixel corresponding with light-guide device 211 be example.It is worth mentioning that, each light-guide device 211 can be identical or not identical along the section shape of first direction X, also can part identical and part is different.In the present embodiment, be all identical along the section shape of first direction X with all light-guide devices 211, and upper in first direction X, the interval homogeneous phase between two adjacent light-guide devices 211 is all example.In addition, when the plan view shape of light-guide device 211 is identical with corresponding inferior pixel, light emitting module 2 can have the highest light source utilization rate.Moreover, also can overlook all degree together of bright dipping that size or the degree of depth (or height) adjust light emitting module 2 by what adjust each light-guide device 211.In addition, then one carry, and in the present embodiment, light-guide device 211 is regularly arranged, but in other enforcement aspect, and the orientation of these light-guide devices 211 also can be inconsistent (not necessarily will towards same direction).For example light-guide device 211 can self rotate an angle and not towards same direction (each light-guide device 211 is still corresponding with one pixel respectively) in side S1 is upper.In this, self rotational angle can be less than ± and 90 °.
In the present embodiment, display floater 4 has one first pixel and one second pixel, the first pixel and the second pixel at least contain respectively pixel three times, this grade pixel is respectively for the first time pixel, pixel and pixel for the third time for the second time from left to right, and these light-guide devices 211 are respectively one first light-guide device and one second light-guide device from left to right, wherein, the corresponding setting of pixel for the first time of the first light-guide device and the first pixel, and the corresponding setting of pixel for the second time of the second light-guide device and the second pixel.For example, as shown in Figure 2 C, the first light-guide device 211a on LGP 21 is denoted as Ra with the R(of pixel for the first time of the first pixel of display floater 4 first rows) corresponding setting (each pixel all has adjacent inferior pixel R, G, B), and the second light-guide device 211b on LGP 21 is denoted as Gb with the G(of pixel for the second time of the second pixel of display floater 4 second rows) corresponding setting.By this principle, the line of the geometric center of this grade pixel corresponding with these light-guide devices 211 can be respectively a straight line, and can be an oblique line L1, and the spacing between two adjacent oblique line L1 equates.Certainly, in other enforcement aspect, the spacing between two adjacent oblique line L1 can be unequal.
Shown in Fig. 2 B, luminescence unit is arranged at the incidence surface I of LGP 21.In the present embodiment, be take two luminescence units 22,23, be adjacent to respectively LGP 21 the incidence surface I of relative both sides as example.Wherein, the light that luminescence unit 22,23 sends enters LGP 21 by incidence surface I respectively, and is penetrated by the side S2 relative with side S1.Luminescence unit 22,23 can for example comprise at least one light emitting diode, at least one Organic Light Emitting Diode (organic light-emitting diode, OLED), at least one cathode fluorescent tube (cold cathode fluorescent lamp, CCFL) or at least one thermal cathode fluorescent tube (hot cathode fluorescent lamp, HCFL), using respectively as the light source in luminescence unit 22,23.In this, luminescence unit 22,23 is respectively take a LED optical strip (light bar) as example, and it has respectively multiple light emitting diodes 221,231, and is arranged at respectively on a circuit board 222,232.In other enforcement aspect, one group of luminescence unit also can be only set.
Reflecting material 24 is arranged at respectively on these light-guide devices 211, and can reflect the light that luminescence unit 22,23 sends.Wherein, reflecting material 24 can be arranged at respectively on the inwall of these light-guide device 211 grooves or the outer wall of projection, or can fill up respectively the groove of these light-guide devices 211.In this, reflecting material 24 be the groove that fills up respectively these light-guide devices 211 be example.In the present embodiment, the reflecting material 24 that is positioned at light-guide device 211 can destroy the total reflection of light L, so that light L while being penetrated by the side S2 of LGP 21 (if reflecting material 24 is positioned on protruding outer wall, reflecting material 24 can stop advancing of light, recycles after making light L by offside reflection).Wherein, reflecting material 24 can comprise oxide, and for example can be white silica (SiO
2), titanium dioxide (TiO
2) or the material of other high reflectance.It is worth mentioning that, light-guide device 211 can select not have reflecting material 24, only relies on scattering effect directing light L to be penetrated by one of them side, and can to cause the light of ejaculation be bright dark staggered form.Therefore, the light L that luminescence unit 22,23 sends is incident to LGP 21 by incidence surface I, and in LGP 21, carry out total reflection, light is passed to whole LGP 21, and by being positioned at the setting of light-guide device 211(and reflecting material 24 of side S1), light L can be penetrated by side S2.
In addition, please refer to shown in Fig. 2 D its inferior pixel of display unit 3a and corresponding schematic diagram of these light-guide devices that is another aspect of preferred embodiment of the present invention.In this, Fig. 2 D only shows inferior pixel and LGP 21a and the light-guide device thereof of display floater 4, does not show other element of display floater 4.
In the present embodiment, display floater 4 has one first pixel and one second pixel, these light-guide devices are respectively the first light-guide device and one second light-guide device from left to right, the corresponding setting of pixel for the first time of the first light-guide device and the first pixel, and the corresponding setting of pixel for the third time of the second light-guide device and the second pixel.For example, as shown in Figure 2 D, the first light-guide device 211a on LGP 21a is denoted as Ra with the R(of pixel for the first time of the first pixel of display floater 4 first rows) corresponding setting, and the second light-guide device 211b of LGP 21a is and the corresponding setting of pixel B for the third time (being denoted as Bb) of the second pixel of display floater 4 second rows.In addition, the 3rd light-guide device 211c of LGP 21a is denoted as Rc with the R(of pixel for the first time of display floater 4 the 3rd row's the 3rd pixel) corresponding setting.Other corresponding relation no longer describes in detail, can be with reference to Fig. 2 D.Therefore, the line of the geometric center of this grade pixel corresponding with these light-guide devices 211 can be respectively the broken line L2 that many segment links form, and the spacing between two adjacent fold line L2 equates.Certainly, in other enforcement aspect, the spacing between two adjacent fold line L2 can be unequal.Remind, these light-guide devices 211 of the present embodiment are just given an example with the relative position relation of time pixel R, G, B, and certainly in other enforcement aspect, these light-guide devices 211 can be different from the relative position relation of time pixel R, G, B.For example, the corresponding setting of pixel for the first time of the first light-guide device and the first pixel, and the corresponding setting of pixel for the first time of the second light-guide device and the second pixel, or other corresponding situation, in this, do not limit.
By experimental results show that of reality, in display unit 3 of the present invention, in 3a, when light L is respectively by light emitting module 2, the LGP 21 of 2a, during the side S2 directive display floater 4 of 21a, by in LGP 21, on the side S1 of 21a, be provided with multiple light-guide devices 211, and each light-guide device 211 is setting corresponding to a pixel (inferior pixel) (and reflection of reflecting material 224) respectively, can make to penetrate LGP 21, when the light L of 21a passes through display floater 4, not can with display floater 4 on light shield layer (being black matrix") produce optical diffraction interference phenomenon and there is interference fringe, therefore, can not cause display unit 3, the display quality of 3a reduces.
In addition, please refer to shown in Fig. 2 E the schematic side view of its display unit 3b that is another aspect.
Different from display unit 3 is, in display unit 3b, by parallel side S1(first direction X) direction observe, the light-guide device 211e of light emitting module 2b is protruding micro-structural, and reflecting material 24 is arranged at respectively on the outer wall of these light-guide devices 211e projection.
In addition, other technical characterictic of the display unit 3b of Fig. 2 E can, with reference to the display unit of Fig. 2 B 3, repeat no more.
Explanation is again, at another, implement in aspect, the light emitting module 2 of display unit 3,3a, 3b, 2a, 2b more can comprise a reflecting plate and/or at least one blooming piece (figure does not show), reflecting plate can be arranged at one of them (with the opposition side of display floater 4) of the side of LGP 21,21a, 21b, so that the light that penetrates side is reflexed in LGP 21,21a, 21b again.Blooming piece can be for example a diffusion sheet, and can be arranged between light emitting module 2,2a, 2b and display floater 4, so that the light that penetrates light emitting module 2,2a, 2b can form a uniform area source after by diffusion sheet.Wherein, between reflecting plate and blooming piece and LGP 2,2a, 2b, can there is respectively gap.
In addition, in another enforcement aspect, light emitting module 2, 2a, 2b can be used as parallax (parallax) control element of a 3 d display device, to become a parallax barrier element, light L can form staggered bright dark form while penetrating side S2, and the left-eye images that the pixel on display floater 4 can be exported in the light of the upper staggered bright dark form of side S2 can be transferred into beholder's left eye, and the right-eye image that on display floater 4, pixel is exported can be transferred into beholder's right eye, two of beholder can be received respectively there is binocular parallax the different images of (binocular parallax), and then allow beholder not need to wear auxiliary eyeglasses just can be with bore hole perception stereopsis.Wherein, when the parallax barrier element as 3 d display device, upper in first direction X, the spacing of two adjacent light-guide devices of same row needs identical.
In addition, please refer to shown in Fig. 3 the schematic perspective view of its a kind of display unit 3c that is the another enforcement aspect of the present invention.
Different be main from the display unit 3 of Fig. 2 A, these light-guide devices 211d on the LGP 2c of display unit 3c is arc (or claiming semicircle) along the section shape of first direction X, and its plan view shape can for example be respectively class ellipse (approaching oval).
In addition, other technical characterictic of display unit 3c can, with reference to the similar elements of display unit 3, repeat no more in this.
In addition, please refer to shown in Fig. 4 A, for the present invention, another implements the schematic side view of a kind of display unit 3d of aspect for it.
Different be main from display unit 3, when light emitting module 2d makes display unit 3d can show 3D image as the parallax barrier element of display unit 3d, light emitting module 2d more can have a light attenuation element (attenuator) 25 and be arranged at a side of LGP 21 side S1.When light passes the side S1 of LGP 21 and enters light attenuation element 25, light attenuation element 25 can lower (or absorption) its energy, to avoid the light that penetrates side S1 to reflect again the bright dipping that enters LGP 21 and disturb light emitting module 2d, and then affect the stereoscopic display effect of display unit 3d.
In addition, please refer to shown in Fig. 4 B the schematic side view of its a kind of display unit 3e that is the another enforcement aspect of the present invention.
Different be main from display unit 3d, when light emitting module 2d is during as the parallax barrier element of display unit 3e, display unit 3e more can comprise a backlight module BL, backlight module BL is arranged at a side (light emitting module 2d is between display floater 4 and backlight module BL) of light emitting module 2d, to provide light to display floater 4.Wherein, when display unit 3e will show 3D image, backlight module BL can be closed and only by light emitting module 2d luminous.In addition, when making light emitting module 2d and backlight module BL luminous (backlight module BL unlatching), can make display unit 3e show the image of 2D simultaneously.By this, can switch and make display unit 3e can show the image of 2D or 3D.
In addition, other technical characterictic of display unit 3d and display unit 3e can, with reference to the similar elements of display unit 3, repeat no more in this.
In sum, in foundation light emitting module of the present invention and display unit, display floater has multiple pixels.In addition, each light-guide device of light emitting module respectively with a corresponding setting of pixel, and observed by vertical these sides direction wherein, the area of overlooking of each light-guide device is greater than respectively zero, and be less than the area of the pixel corresponding with light-guide device, by this, when light is during by the side directive display floater of the LGP of light emitting module, by each light-guide device respectively with a corresponding setting of pixel, and each light-guide device overlook the setting that area is less than the area of the pixel corresponding with light-guide device, can be on side the bright dark staggered light of forming curves shape, and this curvilinear bright dark staggered light can reduce the interference fringe phenomenon of optical diffraction, therefore, can promote the display quality of display unit.
The foregoing is only illustrative, but not be restricted person.Anyly do not depart from spirit of the present invention and category, and equivalent modifications or change that it is carried out all should be contained in the scope of claims protection.
Claims (20)
1. a light emitting module, coordinates with a display floater, and described display floater has multiple pixels, and each described pixel has respectively pixel multiple times, it is characterized in that, described light emitting module comprises:
One LGP, for the direction of directing light, and has the side that at least one incidence surface is relative with two;
Multiple light-guide devices, be arranged at described LGP described side one of them, each described light-guide device respectively with a corresponding setting of pixel, by a vertical described side direction wherein, observed, the area of overlooking of each described light-guide device is greater than respectively zero, and is less than the area of the described pixel corresponding with described light-guide device; And
One luminescence unit, is arranged at the described incidence surface of described LGP,
Wherein, the light that described luminescence unit sends enters after described LGP, by the guiding of described LGP and described light-guide device, and can one of them derivation by the described side of described LGP with bright dark staggered form by light.
2. light emitting module according to claim 1, is characterized in that, by a direction wherein of parallel described side, observed, described multiple light-guide devices be shaped as groove shape or convex.
3. light emitting module according to claim 1, is characterized in that, on each described light-guide device, a reflecting material is set respectively.
4. light emitting module according to claim 1, is characterized in that, by the described side surface direction of vertical described multiple light-guide device settings, is observed, and the plan view shape of each described light-guide device is respectively polygon, ellipse, circle, > shape or irregular shape.
5. light emitting module according to claim 1, it is characterized in that, described display floater has one first pixel and one second pixel, described the first pixel and described the second pixel at least contain respectively pixel three times, described multiple pixels are respectively pixel for the first time from left to right, pixel and for the third time pixel for the second time, described multiple light-guide device is respectively one first light-guide device and one second light-guide device from left to right, the corresponding setting of described pixel for the first time of described the first light-guide device and described the first pixel, the corresponding setting of described pixel for the second time of described the second light-guide device and described the second pixel.
6. light emitting module according to claim 1, it is characterized in that, described display floater has one first pixel and one second pixel, described the first pixel and described the second pixel at least contain respectively pixel three times, described multiple pixels are respectively pixel for the first time from left to right, pixel and for the third time pixel for the second time, described multiple light-guide device is respectively one first light-guide device and one second light-guide device from left to right, the corresponding setting of described pixel for the first time of described the first light-guide device and described the first pixel, the corresponding setting of described pixel for the third time of described the second light-guide device and described the second pixel.
7. light emitting module according to claim 1, it is characterized in that, described display floater has one first pixel and one second pixel, described the first pixel and described the second pixel at least contain respectively pixel three times, described multiple pixels are respectively pixel for the first time from left to right, pixel and for the third time pixel for the second time, described multiple light-guide device is respectively one first light-guide device and one second light-guide device from left to right, the corresponding setting of described pixel for the first time of described the first light-guide device and described the first pixel, the corresponding setting of described pixel for the first time of described the second light-guide device and described the second pixel.
8. light emitting module according to claim 1, it is characterized in that, each described light-guide device respectively with a time corresponding setting of pixel, by a vertical described side direction wherein, observed, the area of overlooking of each described light-guide device is greater than respectively zero, and is less than or equal to respectively the area of described the pixel corresponding with described light-guide device.
9. light emitting module according to claim 1, is characterized in that, the line of the geometric center of described multiple the pixels corresponding with described multiple light-guide devices is respectively a straight line, oblique line or many broken lines that segment link forms.
10. a display unit, is characterized in that, described display unit comprises:
One display floater, has multiple pixels, and each described pixel has respectively pixel multiple times; And
One light emitting module, relative with described display floater and establish, and comprise a LGP, multiple light-guide devices and a luminescence unit, described LGP can directing light direction, and there is the side that at least one incidence surface is relative with two, described multiple light-guide device be arranged at described LGP described side one of them, each described light-guide device respectively with a corresponding setting of pixel, by a vertical described side direction wherein, observed, the area of overlooking of each described light-guide device is greater than respectively zero, and be less than the area of the described pixel corresponding with described light-guide device, described luminescence unit is arranged at the described incidence surface of described LGP,
Wherein, the light that described luminescence unit sends enters after described LGP, by the guiding of described LGP and described multiple light-guide devices, and can one of them derivation by the described side of described LGP with bright dark staggered form by light.
11. display unit according to claim 10, is characterized in that, by a direction wherein of parallel described side, observed, described multiple light-guide devices be shaped as groove shape or convex.
12. display unit according to claim 10, is characterized in that, on each described light-guide device, a reflecting material are set respectively.
13. display unit according to claim 10, is characterized in that, by the described side surface direction of vertical described multiple light-guide device settings, are observed, and the plan view shape of each described light-guide device is respectively polygon, ellipse, circle, > shape or irregular shape.
14. display unit according to claim 10, it is characterized in that, described display floater has one first pixel and one second pixel, described the first pixel and described the second pixel at least contain respectively pixel three times, described multiple pixels are respectively pixel for the first time from left to right, pixel and for the third time pixel for the second time, described multiple light-guide device is respectively one first light-guide device and one second light-guide device from left to right, the corresponding setting of described pixel for the first time of described the first light-guide device and described the first pixel, the corresponding setting of described pixel for the second time of described the second light-guide device and described the second pixel.
15. display unit according to claim 10, it is characterized in that, described display floater has one first pixel and one second pixel, described the first pixel and described the second pixel at least contain respectively pixel three times, described multiple pixels are respectively pixel for the first time from left to right, pixel and for the third time pixel for the second time, described multiple light-guide device is respectively one first light-guide device and one second light-guide device from left to right, the corresponding setting of described pixel for the first time of described the first light-guide device and described the first pixel, the corresponding setting of described pixel for the third time of described the second light-guide device and described the second pixel.
16. display unit according to claim 10, it is characterized in that, described display floater has one first pixel and one second pixel, described the first pixel and described the second pixel at least contain respectively pixel three times, described multiple pixels are respectively pixel for the first time from left to right, pixel and for the third time pixel for the second time, described multiple light-guide device is respectively one first light-guide device and one second light-guide device from left to right, the corresponding setting of described pixel for the first time of described the first light-guide device and described the first pixel, the corresponding setting of described pixel for the first time of described the second light-guide device and described the second pixel.
17. display unit according to claim 10, it is characterized in that, each described light-guide device respectively with a time corresponding setting of pixel, by a vertical described side direction wherein, observed, the area of overlooking of each described light-guide device is greater than respectively zero, and is less than or equal to respectively the area of described the pixel corresponding with described light-guide device.
18. display unit according to claim 10, is characterized in that, the line of the geometric center of described multiple the pixels corresponding with described multiple light-guide devices is respectively a straight line, oblique line or many broken lines that segment link forms.
19. display unit according to claim 10, is characterized in that, the backlight module that described light emitting module is described display unit.
20. display unit according to claim 10, is characterized in that, the parallax barrier element that described light emitting module is described display unit.
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| CN103727455B (en) | 2016-04-06 |
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