CN102769108A - Three-dimensional (3D) light-emitting diode display device - Google Patents
Three-dimensional (3D) light-emitting diode display device Download PDFInfo
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- CN102769108A CN102769108A CN2012101543345A CN201210154334A CN102769108A CN 102769108 A CN102769108 A CN 102769108A CN 2012101543345 A CN2012101543345 A CN 2012101543345A CN 201210154334 A CN201210154334 A CN 201210154334A CN 102769108 A CN102769108 A CN 102769108A
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Abstract
The invention relates to a three-dimensional (3D) light-emitting diode display device, which comprises a transparent substrate, an anode, a luminous structural layer, a cathode and a phase delay film, wherein the cathode is arranged on the luminous structural layer, and a plurality of first areas and a plurality of second areas are arranged on one surface of the cathode in contact with the luminous structural layer. The widths of the first areas and the second areas respectively correspond to the widths of sub-pixel units. The first areas are provided with a plurality of first parallel micro grooves. The second areas are provided with a plurality of second parallel micro grooves. The first areas and the second areas are arranged in parallel at intervals. The 3D light-emitting diode display device has the advantages that polarizer elements required by common 3D light-emitting diode display devices are omitted and the processes are simplified.
Description
Technical field
The present invention is about a kind of light-emittingdiode display unit, and 3D light-emittingdiode display unit particularly.
Background technology
Because opto-electronics is flourish; The visual enjoyment of people's pursuing high quality, (Cathode Ray Tube CRT) develops into flat panel display (the Flat Panel Displ ay of high image quality gradually from the heavy cathode-ray tube display of early stage tradition; FPD); For example liquid crystal flat panel display (Liquid Crystal Display, LCD), the plasma panel flat-panel screens (Plasma Display Panel, PDP), field emission displays (Field Emission Display; FED) and electro-exciting light-emitting display (Electroluminescence Display, ELD).Compared to other flat-panel screens, electro-exciting light-emitting display is because of having advantages such as self-luminous, high brightness, wide viewing angle, high answer speed, panel be frivolous, so especially receive liking of consumer.
Along with 3D science and technology is universal day by day, so the market demand of the electro-exciting light-emitting display of tool 3D function also improves gradually.Electro-exciting light-emitting display is divided into organic light emitting diode display unit and inorganic light-emitting diode display unit again according to employed chemical material.
Fig. 1 illustrate is general light-emittingdiode display unit, and this display unit 100 has negative electrode 110, ray structure layer 120, anode 130, transparency carrier 140, polaroid 150 and has the phase retardation film 160 of two kinds of phase-delay value 160A and 160B.Change image the characteristic of two kinds of polarization states of tool into by polaroid 150 and phase retardation film 160, then seeing through polaroid glasses can separate image, can reach 3D effect.
Yet the processing procedure that attaches polaroid 150 on transparency carrier 140 surfaces occurs attaching unusually through regular meeting, causes attaching polaroid 150 again, causes the waste of polaroid 150 and phase retardation film 160; Also cause simultaneously the processing procedure that attaches polaroid comparatively complicated and complicated.
Summary of the invention
For achieving the above object, the present invention proposes a kind of 3D light-emittingdiode display unit.According to an aspect of the present invention, this 3D light-emittingdiode display unit comprises transparency carrier; Anode, this anode are arranged at a side of this substrate; The ray structure layer, this ray structure layer is arranged on this anode; Negative electrode; This negative electrode is arranged on this ray structure layer; A surface of this this ray structure layer of negative electrode contact has a plurality of first areas and a plurality of second area, and the width of those first areas and those second areas is the width of corresponding sub-pixel unit respectively, and this first area has a plurality of first parallel little groove; This second area has a plurality of second parallel little groove, and this first area and this second area are parallel to each other and are spaced; And phase retardation film, this phase retardation film is arranged at the opposite side of this transparency carrier, and contains at least one phase-delay value.
In one embodiment of the invention, the length direction of this first parallel little groove is parallel with the length direction of this second parallel little groove.
In another embodiment of the present invention, the length direction of this first parallel little groove is 90 degree with the angle of the orientation of these a plurality of first areas and these a plurality of second areas.
Have among the embodiment in of the present invention, the length direction of this first parallel little groove is vertical with the length direction of this second parallel little groove.
In a specific embodiment of the present invention; The length direction of this first parallel little groove is 45 degree with the angle of the orientation of these a plurality of first areas and these a plurality of second areas, and the length direction of this second parallel little groove and the angle of this orientation are 135 degree.
In another specific embodiment of the present invention, respectively the width of this first parallel little groove and the width of this second parallel little groove respectively are between 1 micron to 100 microns.
In another specific embodiment of the present invention, respectively the height of the height of this first parallel little groove and this second parallel little groove respectively is between between 100 nanometers to 1 micron.
In a preferred embodiment of the present invention, respectively the height of the height of this first parallel little groove and this second parallel little groove respectively is between between 100 nanometers to 1 micron.
In another preferred embodiment of the present invention, the spacing of the spacing of two adjacent these first parallel little grooves and two adjacent these second parallel little grooves is between 1 micron to 100 microns.
In another preferred embodiment of the present invention, this phase retardation film has 1/4 phase-delay value.
3D light-emittingdiode display unit provided by the present invention is utilized the little groove structure of cathode surface plurality of parallel, and the compound in the ray structure layer is arranged to launch the light with specific direction according to specific direction, reaches the effect of polarised light.Therefore, the required polaroid element of general 3D light-emittingdiode display unit can be omitted, also processing procedure can be simplified.
For making foregoing invention content of the present invention more obviously understandable, hereinafter is special lifts various embodiment, and conjunction with figs., elaborates.
Description of drawings
Fig. 1 is general 3D LED displays structural representation.
Fig. 2 is the 3D LED displays structural representation of a preferred embodiment of the present invention.
Fig. 3 is the cathode surface structural representation of a preferred embodiment of the present invention.
Fig. 4 is the first area generalized section of a preferred embodiment of the present invention.
Fig. 5 is the light source polarization state sketch map of a preferred embodiment of the present invention.
Fig. 6 is the cathode surface structural representation of another embodiment of the present invention.
[main element symbol description]
100,200:3D light-emittingdiode display unit
110,210,310: negative electrode
120,220: the ray structure layer
130,230: anode
140,240: transparency carrier
150: polaroid
160,250: phase retardation film
160A: first phase-delay value
160B: second phase-delay value
211,221: the first area
211A, 221A: first parallel little groove
212,222: second area
212B, 222B: second parallel little groove
H211A: the height of first parallel little groove
G211A: the spacing between first parallel little groove
W211A: the width of first parallel little groove
Embodiment
The effect of understanding creation characteristic of the present invention, content and advantage and reaching for the expensive auditor of profit; Now with conjunction with figs. of the present invention; And specify as follows with the expression-form of embodiment, and wherein employed graphic, its purport is merely to be illustrated and the usefulness of aid illustration book; May not be true ratio after the present invention's enforcement and precisely configuration, so should not understand, limit the invention to the interest field in the actual enforcement with regard to appended graphic ratio and configuration relation.
Please with reference to shown in Figure 2.Fig. 2 is the structural representation of the 3D light-emittingdiode display unit 200 of a preferred embodiment of the present invention.3D light-emittingdiode display unit 200 comprises: transparency carrier 240, anode 230, ray structure layer 220, negative electrode 210 and phase retardation film 250.
Above-mentioned transparency carrier 240 can be transparent glass substrate or transparent flexible base plate, for example can be transparent plastic or transparent sheet metal.
Above-mentioned anode 230 is made up of light transmissive material, and (Indium tin oxide, ITO), this anode 230 is arranged at a side of this transparency carrier 240 for example to can be indium tin oxide.
Above-mentioned ray structure layer 220 is the chemical material of tool self-luminous characteristic, and this ray structure layer 220 is arranged on this anode 230.These chemical materials can be high molecular polymer, micromolecule organic compound or inorganic metal complex compound and form.In order to send the light of specific wavelength, this chemical material generally all has linear many benzene ring structures.But As market changes, the follow-up many benzene ring structures of plate-like that also derive.After 200 energisings of 3D light-emittingdiode display unit, the hole that anode 230 is disengaged will combine in this ray structure layer 220 with the electronics that negative electrode 210 is disengaged, and produce photon and luminous.For improving the luminous efficiency of 3D light-emittingdiode display unit; Can between this ray structure layer 220 and negative electrode 210, electronic conductive layer be set; The 8-hydroxyl quinoline aluminium (tris (8-hydroxyquinoline aluminum) that makes a din for example; AlQ3), by arranging in pairs or groups on rank of negative electrode and electronic conductive layer, the electronic energy that negative electrode is discharged is passed to ray structure layer 220 more smoothly.In addition, also can between ray structure layer 220 and anode 230, hole-conductive layer be set, for example have the aromatic compound of polyamines class, the hole that anode is disengaged is passed to ray structure layer 220 smoothly, to improve the efficient that the hole combines with electronics.
Aforesaid negative electrode 210 is lower powered metal, for example optional free silver, the group that aluminium, magnesium, calcium and lithium constituted, and this negative electrode 210 is arranged on this ray structure layer 220.The surface of these negative electrode 210 these ray structure layers 220 of contact has a plurality of first areas and a plurality of second area; The width of these first areas and these second areas is the width of corresponding sub-pixel unit respectively; And this first area has a plurality of first parallel little groove (not illustrating among the figure); This second area has a plurality of second parallel little groove (not illustrating among the figure), and this first area and this second area are parallel to each other and are spaced; Utilize those parallel little groove structures that the compound in the ray structure layer 220 is arranged according to specific direction, to launch the light of specific direction.
Above-mentioned phase retardation film 250 has 1/4 phase-delay value, and this phase retardation film 250 is positioned at the opposite side of this transparency carrier 240.
Fig. 3 is the negative electrode 210 surface texture vertical views of Fig. 2.The surface of these negative electrode 210 these ray structure layers 220 of contact has a plurality of first areas 211 and a plurality of second area 212.These first areas 211 are parallel to each other with these second areas 212 and are spaced, and the width of the width of these first areas 211 and these second areas 212 difference corresponding sub-pixel unit.These first areas 211 have a plurality of first parallel little groove 211A; These second areas 212 have a plurality of second parallel little groove 212B; Wherein the length direction of this first parallel little groove 211A is vertical with the length direction of this second parallel little groove 212B; For example the angle of the orientation of the length direction of this first parallel little groove 211A and a plurality of first area 211 and a plurality of second area 212 is 45 degree, and the length direction of this second parallel little groove 212B and the angle of this orientation are 135 degree; Wherein this orientation is the direction that a plurality of first area 211 as shown in the figure and a plurality of second area 212 are arranged from left to right.
Fig. 4 illustrates the generalized section into the first area 211 of Fig. 3.Wherein be arranged in each first parallel little groove 211A of this first area; Its width W 211A is identical with the width W 212B (not illustrating among the figure) of each second parallel little groove 212B; In order to make the chemical material in the ray structure layer 220; For example many benzene ring compounds of line style or the many benzene ring compounds of plate-like can be arranged by specific direction; To launch the light source of specific direction, the width W 211A of each the first parallel little groove 211A in these first areas is preferably between 1 micron (μ m) to 100 microns (μ m).And the height H 211A of each first parallel little groove 211A is identical in fact with the height H 212B (not illustrating among the figure) of each second parallel little groove 212B, for example is between 1 micron (μ m) between 100 nanometers (nm).Moreover the spacing G211A of two first adjacent parallel little groove 211A is identical in fact with the spacing G212B (not illustrating among the figure) of two second adjacent parallel little groove 212B, for example is between 1 micron (μ m) to 100 microns (μ m).
The first area 211 and the parallel little groove on the second area 212 on above-mentioned negative electrode 210 surfaces can form through etch process, also can form through the laser processing procedure.The present invention adopts the dry-etching method to form these parallel little groove 211A and 212B.These methods are not in order to limit technical scope of the present invention, to adopt the formed parallel little groove of any way all to belong to the affiliated scope of the present invention.
After parallel little groove on negative electrode 210 surfaces formed, vacuum vapour deposition capable of using (Evaporating) or method of spin coating (Spin coating) made the compound in the ray structure layer 220 be arranged in parallel little groove on negative electrode 210 surfaces with specific direction.Therefore, after one energising of 3D light-emittingdiode display unit, electronics will combine in ray structure layer 220 with the hole, and launch the light of tool specific direction, reach the effect of polarised light.So being positioned at the orientation angle that ray structure layer 220 on the negative electrode 210 surperficial first areas 211 can launch with a plurality of first areas 211 and a plurality of second area 212 is the linearly polarized photon of 45 degree, and the ray structure layer 220 that is positioned at negative electrode 210 surperficial second areas 212 can to radiate with this orientation angle be the linearly polarized photon of 135 degree.
Then, the linearly polarized photon of two kinds of different directions property penetrates the phase retardation film 250 with 1/4 phase-delay value.Please refer to shown in Figure 5ly, this 3D light-emittingdiode display unit is provided radiation the image of two kinds of polarization states.For example, be positioned at the 45 degree linearly polarized photons that ray structure layer 220 on the negative electrode 210 surperficial first areas 211 launches and change left-hand polarization light into through the phase retardation film 250 of tool 1/4 phase-delay value.To change right-handed polarized light into through the phase retardation film 250 of tool 1/4 phase-delay value and be positioned at the 135 degree linearly polarized photons that ray structure layer 220 on these negative electrode 210 surperficial second areas 212 launches.At last, the polaroid glasses of arranging in pairs or groups again separate image, and the audience can produce the 3D visual effect in brain.
Fig. 6 is the cathode surface structure vertical view according to another preferred embodiment of the present invention.These negative electrode 310 surfaces have a plurality of first areas 221 and a plurality of second area 222.These first areas 221 are parallel to each other with these second areas 222 and are spaced, and the width of the width of these first areas 221 and these second areas 222 difference corresponding sub-pixel unit.These first areas 221 have a plurality of first parallel little groove 221A; These second areas 222 have a plurality of second parallel little groove 222B; Wherein the length direction of this first parallel little groove 221A is parallel with the length direction of this second parallel little groove 222B, and for example the length direction of the length direction of this first parallel little groove 221A and this second parallel little groove 222B is 90 degree with the angle of the orientation of a plurality of first areas 211 and a plurality of second area 212 all.
The width W 221A of each first parallel little groove 221A (not illustrating among the figure) is identical in fact with the width W 222B of each second parallel little groove 222B (not illustrating among the figure) on the above-mentioned cathode surface; In order to make the chemical material in the ray structure layer 220; For example many benzene ring compounds of line style or the many benzene ring compounds of plate-like can be arranged by specific direction; To launch the light of specific direction, the width of each first parallel little groove 221A is between 1 micron (μ m) to 100 microns (μ m).Moreover the height H 221A of each first parallel little groove 221A (not illustrating among the figure) is identical with the height H 222B (not illustrating among the figure) of each second parallel little groove 222B, for example is between 1 micron (μ m) between 100 nanometers (nm).The spacing G221A (not illustrating among the figure) of two first wherein adjacent parallel little groove 221A is identical with the spacing G212B (not illustrating among the figure) of two second adjacent parallel little grooves, for example is between 1 micron (μ m) to 100 microns (μ m).
The light source that makes ray structure layer 220 radiated by the parallel little trench design on the negative electrode changes the linearly polarized photon with 90 degree into, sees through the phase difference phase shift films with two kinds of phase-delay values, this linearly polarized photon is changed into the light source of two kinds of polarization states.Via polaroid glasses two kinds of images are separated again, can obtain the 3D stereopsis.
Though the present invention discloses as above with execution mode; Right its is not in order to limiting the present invention, anyly has the knack of this art, do not breaking away from the spirit and scope of the present invention; When can doing various changes and retouching, so protection scope of the present invention is as the criterion when looking the claim person of defining.
Claims (9)
1. 3D light-emittingdiode display unit is characterized in that this 3D light-emittingdiode display unit comprises:
Transparency carrier;
Anode, this anode are arranged at a side of this substrate;
The ray structure layer, this ray structure layer is arranged on this anode;
Negative electrode; This negative electrode is arranged on this ray structure layer; The surface of this this ray structure layer of negative electrode contact has a plurality of first areas and a plurality of second area, and the width of these a plurality of first areas and these a plurality of second areas is the width of corresponding sub-pixel unit respectively, and this first area has a plurality of first parallel little groove; This second area has a plurality of second parallel little groove, and this first area and this second area are parallel to each other and are spaced; And
Phase retardation film, this phase retardation film is arranged at the opposite side of this transparency carrier, and contains at least one phase-delay value.
2. 3D light-emittingdiode display unit as claimed in claim 1 is characterized in that the length direction of this first parallel little groove is parallel with the length direction of this second parallel little groove.
3. 3D light-emittingdiode display unit as claimed in claim 2, the angle of the length direction that it is characterized in that this first parallel little groove and the orientation of this a plurality of first areas and these a plurality of second areas are 90 to spend.
4. 3D light-emittingdiode display unit as claimed in claim 1 is characterized in that the length direction of this first parallel little groove is vertical with the length direction of this second parallel little groove.
5. 3D light-emittingdiode display unit as claimed in claim 4; The angle of the length direction that it is characterized in that this first parallel little groove and the orientation of this a plurality of first areas and this a plurality of second areas is 45 to spend, and the length direction of this second parallel little groove and the angle of this orientation are 135 to spend.
6. 3D light-emittingdiode display unit as claimed in claim 1, the width that it is characterized in that the width of this first parallel little groove respectively and this second parallel little groove respectively is between 1 micron to 100 microns.
7. 3D light-emittingdiode display unit as claimed in claim 1, the height that it is characterized in that the height of this first parallel little groove respectively and this second parallel little groove respectively is between between 100 nanometers to 1 micron.
8. 3D light-emittingdiode display unit as claimed in claim 1, the spacing of the spacing that it is characterized in that two adjacent these first parallel little grooves and two adjacent these second parallel little grooves is between 1 micron to 100 microns.
9. 3D light-emittingdiode display unit as claimed in claim 1 is characterized in that this phase retardation film has 1/4 phase-delay value.
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| CN201210154334.5A CN102769108B (en) | 2012-05-17 | 2012-05-17 | Three-dimensional (3D) light-emitting diode display device |
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| CN201210154334.5A CN102769108B (en) | 2012-05-17 | 2012-05-17 | Three-dimensional (3D) light-emitting diode display device |
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| CN102769108B CN102769108B (en) | 2015-04-01 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1892289A (en) * | 2005-07-07 | 2007-01-10 | 三星电子株式会社 | 2d-3d switchable autostereoscopic display apparatus |
| DE10255933B4 (en) * | 2002-11-29 | 2007-01-25 | Osram Opto Semiconductors Gmbh | Organic light emitting diode |
| CN101216607A (en) * | 2007-01-05 | 2008-07-09 | 三星电子株式会社 | Highly efficient 2D/3D switchable display device |
| CN101752404A (en) * | 2008-12-08 | 2010-06-23 | 索尼株式会社 | Light emitting device and display device |
| US20110121327A1 (en) * | 2008-07-17 | 2011-05-26 | Sung-Jung Lee | Organic light-emitting diode three-dimensional image display device |
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2012
- 2012-05-17 CN CN201210154334.5A patent/CN102769108B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10255933B4 (en) * | 2002-11-29 | 2007-01-25 | Osram Opto Semiconductors Gmbh | Organic light emitting diode |
| CN1892289A (en) * | 2005-07-07 | 2007-01-10 | 三星电子株式会社 | 2d-3d switchable autostereoscopic display apparatus |
| CN101216607A (en) * | 2007-01-05 | 2008-07-09 | 三星电子株式会社 | Highly efficient 2D/3D switchable display device |
| US20110121327A1 (en) * | 2008-07-17 | 2011-05-26 | Sung-Jung Lee | Organic light-emitting diode three-dimensional image display device |
| CN101752404A (en) * | 2008-12-08 | 2010-06-23 | 索尼株式会社 | Light emitting device and display device |
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