CN206931605U - A kind of OLED display and electronic equipment - Google Patents
A kind of OLED display and electronic equipment Download PDFInfo
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- CN206931605U CN206931605U CN201720834870.8U CN201720834870U CN206931605U CN 206931605 U CN206931605 U CN 206931605U CN 201720834870 U CN201720834870 U CN 201720834870U CN 206931605 U CN206931605 U CN 206931605U
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- oled
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- oled display
- rotatory polarization
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Abstract
The utility model discloses a kind of OLED display and electronic equipment, including OLED reflecting layer and rotatory polarization layer, the rotatory polarization layer is located on the OLED reflecting layer, the rotatory polarization layer includes be cascading phase delay chip, First Line polaroid and the second line polarisation piece on OLED reflecting layer, and the First Line polaroid and the second line polarisation piece are set in certain angle.By adding a layer line polaroid structure on the basis of traditional round polaroid, and two layers line polarisation is set in certain angle, during for OLED display screen, the reflectivity of light in full band range can be made to reach unanimity, contrast is improved, realizes Full vision frame and viewing area integrally black effect.
Description
Technical field
Display technology field is the utility model is related to, relates more specifically to a kind of OLED display and electronic equipment.
Background technology
OLED Display Techniques use very thin coating of organic material and glass substrate, when have electric current by when, these have
Machine material will light.Relative to LCD Display Techniques, it is not necessary to which using backlight, therefore OLED display screen is with thinner lighter
The characteristics of, and visible angle is bigger, while more save electric energy.But OLED screen is out of doors in strong light environment, its display effect
It is obvious to weaken.In order to overcome the influence of ambient light, it is proposed that a kind of OLED shows structure, as shown in figure 1, by display surface
Phase delay chip 2 ' and line polarisation piece 3 ' are sequentially formed on plate 1 ' to eliminate strong ambient light, is shown shown here as panel for OLED
Show panel.Concrete operating principle is that ambient light turns into line polarisation afterwards by line polarisation piece 3 ', and line polarisation passes through phase delay again
Piece 2 ' turns into dextrorotation circle or left circularly polarized light afterwards, that is to say, that phase delay chip 2 ' and line polarisation synusia 3 ' are combined as left-handed circle
Or dextrorotation rotatory polarization piece, natural light is converted to dextrorotation is round or left-handed rotatory polarization；Dextrorotation is round or left-handed rotatory polarization becomes after reflection
For left-handed circle or dextrorotation rotatory polarization, for the second time by being returned to line polarisation after above-mentioned phase delay chip 2 ', but polarization direction is inclined
Turning 90 °, reached the absorption axiss of line polarisation piece 3 ' just, light is absorbed, and is entered without being seen through polarizing layer by human eye, from
And reach the reflex for reducing ambient light.But because the light reflectivity of different-waveband scope is different, ambient light passes through circle
Shown with frame background color inconsistent in different visual angles, viewing area after polaroid so that background color might have blue or green, blue, purple
Change, viewing area integrally black effect can not be realized.
Utility model content
In order to solve the deficiencies in the prior art, it is uniform, achievable integrally black that the utility model provides a kind of display
OLED display and electronic equipment.
The utility model technique effect to be reached is realized by following scheme：A kind of OLED display, including
OLED reflecting layer and rotatory polarization layer, the rotatory polarization layer are located on the OLED reflecting layer, and the rotatory polarization layer includes layer successively
Folded phase delay chip, First Line polaroid and the second line polarisation piece being arranged on OLED reflecting layer, the First Line polaroid
Set with the second line polarisation piece in certain angle.
Preferably, the angle of the line polarisation piece 23 of First Line polaroid 22 and second is 0 ° -90 °.
Preferably, the angle of the line polarisation piece 23 of First Line polaroid 22 and second is 50 ° -70 °.
Preferably, the phase delay chip is for 1/4 phase delay chip or by the phase delay chip group of 1/4 phase delay chip+1/2
Into.
Preferably, the rotatory polarization layer is additionally provided with diaphragm close to the second line polarisation piece side, and the rotatory polarization layer is close
Phase delay chip side is additionally provided with stripping film.
Preferably, the OLED reflecting layer mainly include metallic reflective electrodes, and the metallic reflective electrodes are arranged on passively
Formula OLED metallic cathode or the metal anode for being arranged on active OLED.
Preferably, the material of the metallic reflective electrodes is metallic aluminium, magnesium, silver, molybdenum, titanium or its alloy.
Preferably, the side under the OLED reflecting layer, away from rotatory polarization layer is additionally provided with organic luminous layer, organic hair
Photosphere includes hole injection layer, hole transmission layer, luminescent layer, electron transfer layer, electron injecting layer.
A kind of electronic equipment, including OLED display described above.
The utility model has advantages below：
By adding a layer line polaroid structure on the basis of traditional round polaroid, and two layers of line polarisation is in certain
Angle is set, and during for OLED display screen, the reflectivity of light in full band range can be made to reach unanimity, and improves contrast, is realized
The integral black effect in Full vision frame and viewing area.
Brief description of the drawings
Fig. 1 is the structural representation of OLED display in the prior art；
Fig. 2 is the structural representation of OLED display in the utility model；
Fig. 3 is structural representation Fig. 1 of one of two layers of line polarisation piece preferred embodiment in Fig. 2；
Fig. 4 is structural representation Fig. 2 of one of two layers of line polarisation piece preferred embodiment in Fig. 2.
Embodiment
The present invention will be described in detail with reference to the accompanying drawings and examples.
The utility model provides a kind of OLED display, so that the ambient light reflectivity in full band range tends to
Unanimously, Full vision frame and viewing area integrally black effect are realized.
As shown in figs 2-4, a kind of OLED display, including OLED reflecting layer 1 and rotatory polarization layer 2, the rotatory polarization
Layer 2 is located on the OLED reflecting layer 1, and the phase that the rotatory polarization layer 2 includes being cascading on OLED reflecting layer 1 is prolonged
Slow piece 21, the line polarisation piece 23 of First Line polaroid 22 and second, the line polarisation piece 23 of First Line polaroid 22 and second are in one
Fixed angle is set.By adding a layer line polaroid structure, and two on the basis of traditional round polaroid in the present embodiment
The setting at a certain angle of layer line polarisation, during for OLED display screen, the reflectivity of light in full band range can be made to reach unanimity,
Contrast is improved, realizes Full vision frame and viewing area integrally black effect.
As a further improvement, the angle of the line polarisation piece 23 of First Line polaroid 22 and second is 0 °
-90°；Preferably, the angle of the line polarisation piece 23 of First Line polaroid 22 and second is 50 ° -70 °, both can be with
The black effect of one ensured, ensure certain transmitance again, balance is obtained between transmitance and the black effect of one.
Between phase delay chip 21 described in the utility model and First Line polaroid 22, First Line polaroid 22 and second
Pasted between line polarisation piece 23 by adhesive, the adhesive is preferred but is not limited to PSA glue.The rotatory polarization layer 2 is close
The side of second line polarisation piece 23 is additionally provided with diaphragm 3, and the rotatory polarization layer 2 is additionally provided with stripping film close to the side of phase delay chip 21
4, full wafer is attached on OLED reflecting layer 1 after the stripping film of rotatory polarization layer 2 is removed during bonding, can will when OLED display uses
The diaphragm of rotatory polarization layer 2 removes.
Phase delay chip 21 described in the utility model can be that 1/4 phase delay chip can also be by 1/2 phase delay
The phase delay chip of piece+1/4 is formed, and the phase of phase delay chip 21 to 1/4 of the phase delay chip of 1/2 phase delay chip+1/4 composition is prolonged
Slow piece background color can be more black, and cost also improves therewith.
OLED reflecting layer described in the utility model 1 mainly includes metallic reflective electrodes, and the metallic reflective electrodes can be with
Passive type OLED metallic cathode is arranged on, active OLED metal anode can also be arranged on.The metallic reflective electrodes
Material be metallic aluminium, magnesium, silver, molybdenum, titanium or its alloy.
Side under OLED reflecting layer described in the utility model 1, away from rotatory polarization layer 2 is additionally provided with organic luminous layer 5, institute
Stating organic luminous layer 5 includes hole injection layer, hole transmission layer, luminescent layer, electron transfer layer, electron injecting layer.
It can be seen from the reflectance curve of contrast full band range inner circle polarizing layer（Red curve is in present patent application
Reflectivity；Green curve is the reflectivity of traditional round structure of polarized light）, the present embodiment can reduce 380nm compared with traditional structure
The reflectivity of the light of ~ 550nm wave bands.From display effect, rotatory polarization layer 2 of the present utility model applies to OLED display screen
When, because the reflectivity of full band range reaches unanimity so that background color does not have blue or green, blue, purple change, and the First Line set
The line polarisation piece 23 of polaroid 22 and second, the transmitance of rotatory polarization layer 2 is reduced, makes background color more black than traditional polaroid, so as to real
The now black effect of one.
Natural light from the external world can become after the line polarisation piece 23 of First Line polaroid 22 and second in a certain angle
Into the linearly polarized light that direction of principal axis is absorbed parallel to 23, linearly polarized light becomes circularly polarized light, circular polarization after phase delay chip 21
Light incidence OLED reflecting layer 1 invert behind surface, and the circularly polarized light reflection after inverting becomes after phase delay chip 21
The linearly polarized light returned has just turned the absorption axiss of 90 ° of vertical second linearly polarized lights 23 with linearly polarized light during incidence, by the
One line polarisation piece 22, further reduce reflection of ambient light and go back.Therefore the technical scheme of this patent, more effectively improves device
The black effect of one, and the black effect of one equally having had under different visual angles.
A kind of electronic equipment, including OLED display described above, the electronic equipment include mobile phone, TV, nothing
It is man-machine to wait display terminal.
It is last it should be noted that above example is only illustrating the technical scheme of the embodiment of the present invention rather than it is entered
Row limitation, although the embodiment of the present invention is described in detail with reference to preferred embodiment, one of ordinary skill in the art
It should be understood that can still be modified to the technical scheme of the embodiment of the present invention or equivalent substitution, and these modifications or wait
The scope of amended technical scheme disengaging technical scheme of the embodiment of the present invention can not also be made with replacement.
Claims (9)
1. a kind of OLED display, it is characterised in that including OLED reflecting layer and rotatory polarization layer, the rotatory polarization layer is located at institute
State on OLED reflecting layer, the rotatory polarization layer includes be cascading phase delay chip, First Line on OLED reflecting layer
Polaroid and the second line polarisation piece, the First Line polaroid and the second line polarisation piece are set in certain angle.
2. a kind of OLED display as claimed in claim 1, it is characterised in that the First Line polaroid and the second line are inclined
The angle of mating plate is 0 ° -90 °.
3. a kind of OLED display as claimed in claim 2, it is characterised in that the First Line polaroid and the second line are inclined
The angle of mating plate is 50 ° -70 °.
4. a kind of OLED display as claimed in claim 1, it is characterised in that the phase delay chip is that 1/4 phase is prolonged
Slow piece is made up of the phase delay chip of 1/4 phase delay chip+1/2.
5. a kind of OLED display as claimed in claim 1, it is characterised in that the rotatory polarization layer is close to the second line polarisation
Piece side is additionally provided with diaphragm, and the rotatory polarization layer is additionally provided with stripping film close to phase delay chip side.
6. a kind of OLED display as claimed in claim 1, it is characterised in that the OLED reflecting layer mainly include metal
Reflecting electrode, the metallic reflective electrodes are arranged on passive type OLED metallic cathode or are arranged on active OLED metal
Anode.
7. a kind of OLED display as claimed in claim 6, it is characterised in that the material of the metallic reflective electrodes is gold
Belong to aluminium, magnesium, silver, molybdenum, titanium or its alloy.
8. a kind of OLED display as claimed in claim 1, it is characterised in that under the OLED reflecting layer, away from circle partially
The side of photosphere is additionally provided with organic luminous layer, and the organic luminous layer includes hole injection layer, hole transmission layer, luminescent layer, electricity
Sub- transport layer, electron injecting layer.
9. a kind of electronic equipment, including the OLED display as described in claim 1-8 is any.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720834870.8U CN206931605U (en) | 2017-07-11 | 2017-07-11 | A kind of OLED display and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720834870.8U CN206931605U (en) | 2017-07-11 | 2017-07-11 | A kind of OLED display and electronic equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206931605U true CN206931605U (en) | 2018-01-26 |
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ID=61354148
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720834870.8U Active CN206931605U (en) | 2017-07-11 | 2017-07-11 | A kind of OLED display and electronic equipment |
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| CN (1) | CN206931605U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109785755A (en) * | 2019-03-15 | 2019-05-21 | 昆山国显光电有限公司 | Flexible display apparatus and preparation method thereof |
| WO2020006920A1 (en) * | 2018-07-05 | 2020-01-09 | 武汉华星光电半导体显示技术有限公司 | Oled packaging structure, oled display panel and fabrication method therefor |
-
2017
- 2017-07-11 CN CN201720834870.8U patent/CN206931605U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020006920A1 (en) * | 2018-07-05 | 2020-01-09 | 武汉华星光电半导体显示技术有限公司 | Oled packaging structure, oled display panel and fabrication method therefor |
| CN109785755A (en) * | 2019-03-15 | 2019-05-21 | 昆山国显光电有限公司 | Flexible display apparatus and preparation method thereof |
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