CN104134758A - Structure for packaging OLED display screen - Google Patents
Structure for packaging OLED display screen Download PDFInfo
- Publication number
- CN104134758A CN104134758A CN201410331887.2A CN201410331887A CN104134758A CN 104134758 A CN104134758 A CN 104134758A CN 201410331887 A CN201410331887 A CN 201410331887A CN 104134758 A CN104134758 A CN 104134758A
- Authority
- CN
- China
- Prior art keywords
- display screen
- oled display
- organic layer
- shaped groove
- beams
- 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.)
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Classifications
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- 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
- H10K50/85—Arrangements for extracting light from the devices
- H10K50/856—Arrangements for extracting light from the devices comprising reflective means
-
- 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
- H10K50/84—Passivation; Containers; Encapsulations
- H10K50/841—Self-supporting sealing arrangements
-
- 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
- H10K50/85—Arrangements for extracting light from the devices
- H10K50/858—Arrangements for extracting light from the devices comprising refractive means, e.g. lenses
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Electroluminescent Light Sources (AREA)
Abstract
The invention discloses a novel structure for packaging an OLED display screen. The structure comprises a piece of packaging glass, wherein an organic layer is arranged on the lower surface of the piece of packaging glass, and a circular polarizer is arranged on the upper surface of the piece of packaging glass. The structure for packaging the OLED display screen is characterized in that multiple continuously arranged V-shaped grooves are formed in the upper surface of the piece of packaging glass, and the circular polarizer is arranged on the V-shaped grooves. Multiple continuous V-shaped grooves are formed in the light-exiting surface of the piece of packaging glass of the OLED display screen, and thus, when passing through the V-shaped grooves, all-directional scattered beams from the organic layer are refracted into aggregated small-angle beams; thus, the beams are focused and emitted to the valid lighting area in the middle of the circular polarizer; then the brightness of valid lighting area is enhanced, the lighting efficiency of the OLED display screen is enhanced and the display effect is improved. In the meantime, when passing through the V-shaped grooves, the all-directional beams emitted from the organic layer are reflected into aggregated small-angle beams which return to the organic layer and are re-utilized, and thus, the utilization rate of beams is increased and the power consumption is lowered.
Description
Technical field
The present invention relates to a kind of electronic console field, relate in particular to a kind of encapsulating structure of OLED display screen.
Background technology
High-quality display effect is the market demand (particularly intelligent machine part) of small-medium size product.OLED display screen employing injection and compound organic material that causes by charge carrier under the driving of electric field is luminous, thereby contrast can be very high.Although yet OLED display screen contrast far above LCD display, light utilization efficiency is not as good as LCD display, this is because OLED display screen disturbs for fear of ambient light at present, adopts rotatory polarization sheet scheme more.Consult shown in Fig. 1 and Fig. 2, OLED display screen comprises a polysilicon layer 22, an organic layer 21 and a packaged glass 23 successively, polysilicon layer 22 is located at the lower surface of organic layer 21, packaged glass 23 is located at the upper surface of organic layer 21, upper surface at packaged glass 23 pastes one deck rotatory polarization sheet 24 (PVA+1/2 wave plate+quarter wave plates), ambient light enters organic layer 21 by rotatory polarization sheet 24, by organic layer 21, reflected, after 1/2 wave plate and quarter wave plate, direction of vibration is vertical through direction of principal axis with rotatory polarization sheet 24, cause ambient light to go out not go, and then get rid of ambient light and disturb.But, the organic layer 21 of OLED display screen is area source, light 25 gives out along whole for comprehensive minute, this just causes part light 25 can not enter the region 26 that reality is effectively utilized light, so this part light 25 is not used effectively, cause waste, thereby cause OLED brightness of display screen to reduce, OLED display screen power consumption is strengthened, and the consume that increases module edge brightness, affects display effect.
Summary of the invention
Technical problem to be solved by this invention is to provide and a kind ofly can improves OLED display screen luminous efficiency, can improve again display effect and reduce the encapsulating structure of the OLED display screen that shows power consumption.
For realizing above-mentioned technique effect, the invention discloses a kind of encapsulating structure of New O LED display, comprise a packaged glass, the lower surface of described packaged glass is provided with an organic layer, the upper surface of described packaged glass is provided with a rotatory polarization sheet, it is characterized in that: the upper surface of described packaged glass is formed with the V-shaped groove that multiple tracks is arranged continuously, described rotatory polarization sheet is located on described V-shaped groove.
The present invention is owing to having adopted above technical scheme, making it have following beneficial effect is: the exiting surface by the packaged glass at OLED display screen arranges the continuous V-shaped groove of multiple tracks, the light beam that makes the comprehensive dispersion of sending from organic layer is during by this V-shaped groove, be refracted and form the low-angle light beam of assembling, light beam is concentrated and be incident upon the middle effective luminous zone of reality of rotatory polarization sheet, thereby improve the brightness of effective luminous zone, improve the luminous efficiency of OLED display screen, improve display effect; Meanwhile, when the comprehensive light beam sending from organic layer passes through V-shaped groove, be reflected again and form the low-angle light beam of assembling, the low-angle light beam that this reflects is utilized after returning to organic layer again, improves light beam utilance, reduces power consumption.
The present invention further improves and is, the junction of V-shaped groove forms wedge angle described in adjacent twice.Horn structure is the perfect condition of V-shaped groove of the present invention, and the utilance of light is reached to the highest.
The present invention further improves and is, the junction of V-shaped groove forms fillet described in adjacent twice.The manufacture craft ratio of fillet structure is easier to, and is more adapted to industrial production.
The present invention further improves and is, the angle of described V-shaped groove is 0～180 °.According to different product demands, the angle respective change of V-shaped groove.
The present invention further improves and is, the lower surface of described organic layer is provided with a polysilicon layer.
Accompanying drawing explanation
Fig. 1 and Fig. 2 are the structural representations of existing OLED display screen.
Fig. 3 is the structural representation of the encapsulating structure of OLED display screen of the present invention.
Fig. 4 is the structural representation of V-shaped groove of the encapsulating structure of OLED display screen of the present invention.
Fig. 5 is the beam reflection principle schematic of the encapsulating structure of OLED display screen of the present invention.
Fig. 6 is the structural representation of the preferred embodiment of V-shaped groove of the present invention.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the present invention is further detailed explanation.
First consult shown in Fig. 3, encapsulating structure 10 for a kind of OLED display screen of the present invention, OLED display screen comprises a polysilicon layer 12, an organic layer 11 successively, one packaged glass 13 and a rotatory polarization sheet 14, organic layer 11 is located at the lower surface of packaged glass 13, rotatory polarization sheet 14 fits in the upper surface of packaged glass 13, and polysilicon layer 12 is located at the lower surface of organic layer 11.Wherein, coordinate shown in Fig. 4, at the upper surface of packaged glass 13, be formed with the V-shaped groove 15 that multiple tracks is arranged continuously, the cross sectional shape of V-shaped groove 15 is del, and the junction of adjacent twice V-shaped groove 15 forms wedge angle 151.Rotatory polarization sheet 24 fits on V-shaped groove 15, and rotatory polarization sheet 24 disturbs for getting rid of ambient light.When the comprehensive light beam a dispersing sending from organic layer 11 passes through the V-shaped groove 15 of packaged glass 13, V-shaped groove 15 has changed the dispersion angle of light beam a, this comprehensive light beam a dispersing is reflected into the low-angle light beam a ' that dispersion angle is less, and this low-angle light beam a ' obtaining is assembled and is incident upon in the middle effective luminous zone 140 of reality of rotatory polarization sheet 14, improved the brightness of effective luminous zone 140, avoided this comprehensive light beam a dispersing to be mapped to the edge of rotatory polarization sheet 14, it is the edge of display screen, thereby slowed down because light beam is mapped to the energy loss that display screen edge heating that display screen edge causes causes, light utilization efficiency and the luminous efficiency of OLED display screen have been improved, improved the display effect of display screen.Wherein the geomery of the del of V-shaped groove 15, according to different product demand respective change, can be isosceles triangle, can be also other.
In conjunction with shown in Fig. 5, when the light beam b sending from organic layer 11 passes through the V-shaped groove 15 of packaged glass 13, light beam b is reflected to form light beam b ' by V-shaped groove 15 again, and light beam b ' is reflected back toward organic layer 11, again utilizes, and improves light beam utilance, reduces power consumption.
Through repeatedly practising surface, exiting surface by the packaged glass at OLED display screen arranges the continuous V-shaped groove of multiple tracks, the light beam that makes the comprehensive dispersion of sending from organic layer is during by this V-shaped groove, be refracted and form the low-angle light beam of assembling, light beam is concentrated and be incident upon the middle effective luminous zone of reality of rotatory polarization sheet, available refract light increases by 40%～65%, has greatly improved the brightness of effective luminous zone, improve the luminous efficiency of OLED display screen, improve display effect.Simultaneously, when the comprehensive light beam sending from organic layer passes through V-shaped groove, be reflected again and form the low-angle light beam of assembling, repeated reflection, about 50% incident light is reflected back toward organic layer, and the low-angle light beam that this reflects is utilized after returning to organic layer again, greatly reduces light loss ratio, improve light beam utilance, reduce power consumption.
For the ease of manufacturing, alleviate actual production burden, shown in Fig. 6, the seamed edge of the junction of adjacent twice V-shaped groove 15 is changed into fillet 152, compare wedge angle 151, although fillet 152 structures are owing to partly having increased the refraction angle of light at its fillet, can reduce to a certain extent the utilance of light, but because the manufacture craft ratio of fillet structure is easier to, be more adapted to industrial production, production efficiency is provided.
Below embodiment has been described in detail the present invention by reference to the accompanying drawings, and those skilled in the art can make many variations example to the present invention according to the above description.Thereby some details in embodiment should not form limitation of the invention, the present invention will be usingd scope that appended claims defines as protection scope of the present invention.
Claims (5)
1. the encapsulating structure of an OLED display screen, comprise a packaged glass, the lower surface of described packaged glass is provided with an organic layer, the upper surface of described packaged glass is provided with a rotatory polarization sheet, it is characterized in that: the upper surface of described packaged glass is formed with the V-shaped groove that multiple tracks is arranged continuously, described rotatory polarization sheet is located on described V-shaped groove.
2. the encapsulating structure of OLED display screen as claimed in claim 1, is characterized in that: described in adjacent twice, the junction of V-shaped groove forms wedge angle.
3. the encapsulating structure of OLED display screen as claimed in claim 1, is characterized in that: described in adjacent twice, the junction of V-shaped groove forms fillet.
4. the encapsulating structure of OLED display screen as claimed in claim 1, is characterized in that: the angle of described V-shaped groove is 0～180 °.
5. the encapsulating structure of OLED display screen as claimed in claim 1, is characterized in that: the lower surface of described organic layer is provided with a polysilicon layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410331887.2A CN104134758A (en) | 2014-07-14 | 2014-07-14 | Structure for packaging OLED display screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410331887.2A CN104134758A (en) | 2014-07-14 | 2014-07-14 | Structure for packaging OLED display screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104134758A true CN104134758A (en) | 2014-11-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410331887.2A Pending CN104134758A (en) | 2014-07-14 | 2014-07-14 | Structure for packaging OLED display screen |
Country Status (1)
| Country | Link |
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| CN (1) | CN104134758A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106842381A (en) * | 2017-03-01 | 2017-06-13 | 京东方科技集团股份有限公司 | A kind of optical module and display device |
| CN110098231A (en) * | 2019-04-29 | 2019-08-06 | 武汉华星光电半导体显示技术有限公司 | Organic light-emitting diode (OLED) display screen and preparation method thereof |
| US11005080B2 (en) | 2019-04-29 | 2021-05-11 | Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd. | Organic light emitting diode display screen and manufacturing method thereof |
| CN113328054A (en) * | 2021-05-31 | 2021-08-31 | 武汉天马微电子有限公司 | Display panel and display device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1577414A (en) * | 2003-06-27 | 2005-02-09 | 卡西欧计算机株式会社 | Display device |
| US20070230158A1 (en) * | 2006-03-31 | 2007-10-04 | Canon Kabushiki Kaisha | Organic electroluminescent light-emitting apparatus |
| US20070230211A1 (en) * | 2006-03-31 | 2007-10-04 | Canon Kabushiki Kaisha | Organic light emitting device and display device |
| US20080074859A1 (en) * | 2006-09-26 | 2008-03-27 | Canon Kabushiki Kaisha | Organic light-emitting apparatus |
| DE202013011005U1 (en) * | 2013-12-16 | 2014-03-12 | Christian Stroetmann | Electronic display based on the nano-semiconductor-based or quantum dot-based light-emitting diode (QLED for short) |
-
2014
- 2014-07-14 CN CN201410331887.2A patent/CN104134758A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1577414A (en) * | 2003-06-27 | 2005-02-09 | 卡西欧计算机株式会社 | Display device |
| US20070230158A1 (en) * | 2006-03-31 | 2007-10-04 | Canon Kabushiki Kaisha | Organic electroluminescent light-emitting apparatus |
| US20070230211A1 (en) * | 2006-03-31 | 2007-10-04 | Canon Kabushiki Kaisha | Organic light emitting device and display device |
| US20080074859A1 (en) * | 2006-09-26 | 2008-03-27 | Canon Kabushiki Kaisha | Organic light-emitting apparatus |
| DE202013011005U1 (en) * | 2013-12-16 | 2014-03-12 | Christian Stroetmann | Electronic display based on the nano-semiconductor-based or quantum dot-based light-emitting diode (QLED for short) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106842381A (en) * | 2017-03-01 | 2017-06-13 | 京东方科技集团股份有限公司 | A kind of optical module and display device |
| CN110098231A (en) * | 2019-04-29 | 2019-08-06 | 武汉华星光电半导体显示技术有限公司 | Organic light-emitting diode (OLED) display screen and preparation method thereof |
| US11005080B2 (en) | 2019-04-29 | 2021-05-11 | Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd. | Organic light emitting diode display screen and manufacturing method thereof |
| CN113328054A (en) * | 2021-05-31 | 2021-08-31 | 武汉天马微电子有限公司 | Display panel and display device |
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| PB01 | Publication | ||
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
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Application publication date: 20141105 |