CN107359186A - A kind of OLED display modules - Google Patents
A kind of OLED display modules Download PDFInfo
- Publication number
- CN107359186A CN107359186A CN201710717849.4A CN201710717849A CN107359186A CN 107359186 A CN107359186 A CN 107359186A CN 201710717849 A CN201710717849 A CN 201710717849A CN 107359186 A CN107359186 A CN 107359186A
- Authority
- CN
- China
- Prior art keywords
- oled display
- display modules
- srf
- films
- moth eye
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000010287 polarization Effects 0.000 claims abstract description 15
- 239000003292 glue Substances 0.000 claims abstract description 7
- 239000010408 film Substances 0.000 claims description 42
- 230000003287 optical effect Effects 0.000 claims description 8
- 239000000853 adhesive Substances 0.000 claims description 7
- 230000001070 adhesive effect Effects 0.000 claims description 7
- 239000012790 adhesive layer Substances 0.000 claims description 7
- 239000004821 Contact adhesive Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 3
- 239000010409 thin film Substances 0.000 claims description 3
- 230000000007 visual effect Effects 0.000 abstract description 4
- 238000002310 reflectometry Methods 0.000 description 4
- 239000004820 Pressure-sensitive adhesive Substances 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 238000002834 transmittance Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000002390 adhesive tape Substances 0.000 description 1
- -1 age resistor Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 230000003806 hair structure Effects 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 235000001968 nicotinic acid Nutrition 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/50—OLEDs integrated with light modulating elements, e.g. with electrochromic elements, photochromic elements or liquid crystal elements
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/30—Polarising elements
- G02B5/3083—Birefringent or phase retarding elements
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/80—Constructional details
- H10K50/86—Arrangements for improving contrast, e.g. preventing reflection of ambient light
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- General Physics & Mathematics (AREA)
- Electroluminescent Light Sources (AREA)
- Polarising Elements (AREA)
Abstract
The invention discloses a kind of OLED display modules, including the OLED display screen and rotatory polarization piece being sequentially located in the OLED display screen, SRF films and moth eye film, wherein, the rotatory polarization piece includes line polarisation piece, phase difference film and the PSA glue being stacked, the moth eye film is used for the reflection for reducing light, and the SRF films are used to light being converted into circularly polarized light.The OLED display modules of the present invention, by having sticked on SRF films and moth eye film on online polaroid, blackness of the OLED in the case of not showing can be improved, and the linearly polarized light that can be emitted line polarisation piece is converted into circularly polarized light, so as to unrestricted by sunglasses, make OLED display modules angled visual in institute under sunglasses.
Description
Technical field
The present invention relates to display technology field, more particularly to a kind of OLED display modules.
Background technology
OLED display modules occur reflective because have metal electrode structure indoors or under extraneous light by force, cause pair
The interference of display picture, and the not dark phenomenon of dark picture.Solution to this problem is usually in OLED display screen upper table
Face increases rotatory polarization piece, and the rotatory polarization piece includes the line polarisation piece and quarter wave plate that lamination is set so that extraneous incident environment
Light after line polarisation piece and 2 quarter wave plates, is being changed into the reflected light vertical with the polarization direction of line polarisation piece so as to inclined by line
Mating plate stops.
But there is following defect in existing OLED display modules：（1）Although traditional OLED display modules upper surface reflection
Light pinned by rotatory polarization piece, but the upper surface of online polaroid is still there occurs the reflection that reflectivity is about 4.8%, at present
OLED display in the case of not showing blackness it is inadequate, it appears that it is not high-grade enough；（2）Do not account in the conventional technology too
The influence of positive mirror：Traditional OLED display modules outermost layer patch is line polarisation piece, and sunglasses are also to have line polarisation piece
Function, when sunglasses absorption axiss with the absorption axiss of OLED display module outermost wire polaroids angle when will send out
Raw not visible situation.
The content of the invention
The defects of in order to make up prior art, the present invention provide a kind of OLED display modules, improve OLED and are not showing feelings
Blackness under condition, and make so user also can go out image when sunglasses is had in all angle recognitions.
The technical problems to be solved by the invention are achieved by the following technical programs：
A kind of OLED display modules, it is characterised in that including set gradually from bottom to up OLED display screen, rotatory polarization piece, SRF
Film and moth eye film, wherein, the rotatory polarization piece includes line polarisation piece, phase difference film and the PSA glue being stacked, the moth eye film
For reducing the reflection of light, the SRF films are used to light being converted into circularly polarized light.
Further, in addition to located at the adhesive layer between the line polarisation piece and SRF films.
Further, the material of the adhesive layer is contact adhesive PSA or optical adhesive OCA.
Further, the phase difference film is quarter-wave plate.
Further, the moth eye film is the optical thin film that surface has nanoscale array of protrusions.
Further, the gross thickness of the SRF films and moth eye film is 80-90 μm.
The present invention has the advantages that：
The OLED display modules of the present invention, by having sticked on SRF films on online polaroid, moth eye film has been done on SRF films（Moth-
eyes）, blackness of the OLED in the case of not showing can be improved, and the linearly polarized light that can be emitted line polarisation piece is converted into circle partially
Shake light, so as to unrestricted by sunglasses, makes OLED display modules angled visual in institute under sunglasses.
Brief description of the drawings
Fig. 1 is the structure chart of OLED display modules of the present invention.
In figure：1st, moth eye film, 2, SRF films, 3, adhesive layer, 4, rotatory polarization piece, 41, line polarisation piece, 42, phase difference film, 43,
PSA glue, 5, OLED display screen.
Embodiment
With reference to embodiment, the present invention will be described in detail, and embodiment is only the preferred embodiment of the present invention,
It is not limitation of the invention.
A kind of OLED display modules, including set gradually from bottom to up OLED display screen, rotatory polarization piece, adhesive layer, SRF
Film and moth eye film（Moth-eyes）.
In above-mentioned display module, the embodiment of the present invention is not construed as limiting for the concrete structure of OLED display screen.This area skill
Art personnel can be known according to common knowledge and prior art, and according to the difference of light emission side, OLED display screen can be divided into bottom hair
Structure and emission structure at top are penetrated, the embodiment of the present invention is not construed as limiting to this.
The rotatory polarization piece includes the line polarisation piece, phase difference film and the PSA glue that are stacked, in above-mentioned display device, this
Inventive embodiments are not construed as limiting for the particular type of phase difference film, as long as rotatory polarization piece can be formed with linear polarizer.It is excellent
Choosing, rotatory polarization piece is formed using quarter-wave plate and linear polarizer more, in favor of making.
The material of the adhesive layer is preferably contact adhesive PSA or optical adhesive OCA.
PSA (Pressure Sensitive Adhesive, the abbreviation of pressure-sensitive adhesive), be it is a kind of have have to pressure
The adhesive of sensitiveness.The adhesion (adhesive tape and the peeling force showed after being pasted by maxxaedium pressurization) of pressure sensitive adhesive must be big
In adhesion strength (the feel viscous force shown during the i.e. so-called gently contact adhesive tape with finger).It can be divided into rubber by its main component
Glue-type and the class of resin type two.In addition to main component, other auxiliary elements are also added, such as tackifying resin, plasticizer, filler, viscous
The cooperations such as degree regulator, vulcanizing agent, age resistor, solvent form.
OCA (Optically Clear Adhesive) is a kind of two-sided joint adhesive band of no matrix material, is to be used for glue
The extraordinary adhesive of transparent optical element (such as camera lens) is tied, OCA optical cements water white transparency, light transmission rate are more than 90%, glue
Knotting strength is good, can solidify under room temperature or medium temperature, and have the features such as cure shrinkage is small.Its advantage is clarity, high light transmittance
(full light transmittance>99%), high adhesion, high durable, water resistance, high temperature resistant, uvioresistant, controlled thickness, there is provided
Even spacing, for a long time use will not produce yellow (xanthochromia), peel off.
The SRF films are used to light being converted into circularly polarized light.Stick on the online polaroid upper surface of OLED display modules
SRF films, the linearly polarized light that can be emitted line polarisation piece are converted into circularly polarized light, pass through sun eye so as to unrestricted
Mirror, make OLED display modules visual under sunglasses.
The moth eye film（Moth-eyes）For reducing the reflection of light, the moth eye film is that surface has nanoscale convex
Play the optical thin film of array.Moth eye film is to imitate the bionics product of the fine uneven structure in moth eyes.Art technology
Personnel, it is known that when light is propagated between the different object of refractive index (for example, the refractive index of glass is 1.5, the refraction of air
Rate is that 1.0), then can be reflected in the interface between object.The principle of moth eye film is received by being set in the interface
The fine protrusions of meter level, so that consecutive variations occur for refractive index, therefore be not in the visibly different interface of refractive index, and then
Reaching prevents the purpose of reflection.The present invention by setting moth eye film, the gradual change that is formed between air and inside ofeye it is effective
Refractive index, the antireflection rate and contrast of module is greatly improved.
For reference, reflectivity is the function of refractive index, and is increased as the ratio of refraction increases.Air has refractive index 1,
Glass has refractive index 1.5.Therefore, when light is on preceding surface from air incidence to glass, about 4% reflection occurs.Tradition
The reflectivity of OLED display modules is 5.16%, and the reflectivity of the OLED display modules of the present invention is 1.14%.
Preferably, the gross thickness of the SRF films and moth eye film is 80-90 μm；It is highly preferred that the SRF films and moth eye film
Gross thickness be 85 μm.The OLED display modules of the present invention, by having sticked on SRF films on online polaroid, moth is set on SRF films
Eye mask（Moth-eyes）, blackness of the OLED in the case of not showing, and the linearly polarized light that line polarisation piece can be emitted can be improved
Circularly polarized light is converted into, so as to unrestricted by sunglasses, makes OLED display modules under sunglasses in institute
It is angled visual.
Embodiment described above only expresses embodiments of the present invention, and its description is more specific and detailed, but can not
Therefore the limitation to the scope of the claims of the present invention is interpreted as, as long as the skill obtained using the form of equivalent substitution or equivalent transformation
Art scheme, it all should fall within the scope and spirit of the invention.
Claims (6)
- A kind of 1. OLED display modules, it is characterised in that including set gradually from bottom to up OLED display screen, rotatory polarization piece, SRF films and moth eye film, wherein, the rotatory polarization piece includes line polarisation piece, phase difference film and the PSA glue being stacked, the moth Eye mask is used for the reflection for reducing light, and the SRF films are used to light being converted into circularly polarized light.
- 2. OLED display modules as claimed in claim 1, it is characterised in that also include being located at the line polarisation piece and SRF films Between adhesive layer.
- 3. OLED display modules as claimed in claim 2, it is characterised in that the material of the adhesive layer is contact adhesive PSA or optical adhesive OCA.
- 4. OLED display modules as claimed in claim 1, it is characterised in that the phase difference film is quarter-wave plate.
- 5. OLED display modules as claimed in claim 1, it is characterised in that the moth eye film is that surface has nanoscale raised The optical thin film of array.
- 6. OLED display modules as claimed in claim 1, it is characterised in that the gross thickness of the SRF films and moth eye film is 80- 90μm。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710717849.4A CN107359186A (en) | 2017-08-21 | 2017-08-21 | A kind of OLED display modules |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710717849.4A CN107359186A (en) | 2017-08-21 | 2017-08-21 | A kind of OLED display modules |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107359186A true CN107359186A (en) | 2017-11-17 |
Family
ID=60287998
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710717849.4A Pending CN107359186A (en) | 2017-08-21 | 2017-08-21 | A kind of OLED display modules |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107359186A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107861659A (en) * | 2017-12-04 | 2018-03-30 | 信利光电股份有限公司 | A kind of touch module |
| CN107976837A (en) * | 2017-12-18 | 2018-05-01 | 华显光电技术（惠州）有限公司 | Polaroid and display device |
| CN108594351A (en) * | 2018-04-28 | 2018-09-28 | 宁波维真显示科技股份有限公司 | A kind of method and apparatus that LED polarizing coatings are continuously prepared |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102460227A (en) * | 2009-06-12 | 2012-05-16 | 夏普株式会社 | Antireflection film, display device and light transmissive member |
| CN103378124A (en) * | 2012-04-27 | 2013-10-30 | 三星显示有限公司 | Flat panel display device, organic light emitting display device and method of manufacturing flat panel display device |
| CN206147127U (en) * | 2016-10-31 | 2017-05-03 | 亚世光电股份有限公司 | Take moth eye mask's TFT module |
| CN107037522A (en) * | 2015-10-30 | 2017-08-11 | 乐金显示有限公司 | Optical module and the organic light-emitting display device with the optical module |
| CN207082532U (en) * | 2017-08-21 | 2018-03-09 | 信利半导体有限公司 | A kind of OLED display modules |
-
2017
- 2017-08-21 CN CN201710717849.4A patent/CN107359186A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102460227A (en) * | 2009-06-12 | 2012-05-16 | 夏普株式会社 | Antireflection film, display device and light transmissive member |
| CN103378124A (en) * | 2012-04-27 | 2013-10-30 | 三星显示有限公司 | Flat panel display device, organic light emitting display device and method of manufacturing flat panel display device |
| CN107037522A (en) * | 2015-10-30 | 2017-08-11 | 乐金显示有限公司 | Optical module and the organic light-emitting display device with the optical module |
| CN206147127U (en) * | 2016-10-31 | 2017-05-03 | 亚世光电股份有限公司 | Take moth eye mask's TFT module |
| CN207082532U (en) * | 2017-08-21 | 2018-03-09 | 信利半导体有限公司 | A kind of OLED display modules |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107861659A (en) * | 2017-12-04 | 2018-03-30 | 信利光电股份有限公司 | A kind of touch module |
| CN107976837A (en) * | 2017-12-18 | 2018-05-01 | 华显光电技术（惠州）有限公司 | Polaroid and display device |
| CN107976837B (en) * | 2017-12-18 | 2021-12-07 | 华显光电技术（惠州）有限公司 | Polaroid and display device |
| CN108594351A (en) * | 2018-04-28 | 2018-09-28 | 宁波维真显示科技股份有限公司 | A kind of method and apparatus that LED polarizing coatings are continuously prepared |
| CN108594351B (en) * | 2018-04-28 | 2020-07-31 | 宁波维真显示科技股份有限公司 | Method and device for continuously preparing L ED polarizing film |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171117 |