CN105576004A - Quantum dot color light conversion film, OLED panel and display device - Google Patents
Quantum dot color light conversion film, OLED panel and display device Download PDFInfo
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- CN105576004A CN105576004A CN201610110668.0A CN201610110668A CN105576004A CN 105576004 A CN105576004 A CN 105576004A CN 201610110668 A CN201610110668 A CN 201610110668A CN 105576004 A CN105576004 A CN 105576004A
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- quantum dot
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- conversion film
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- 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
- H10K59/30—Devices specially adapted for multicolour light emission
- H10K59/38—Devices specially adapted for multicolour light emission comprising colour filters or colour changing media [CCM]
Abstract
The invention discloses a quantum dot color light conversion film, an OLED panel and a display device. The quantum dot color light conversion film comprises a photoluminescence quantum dot thin film and an upper conversion optical thin film arranged on the photoluminescence quantum dot thin film and close to one side of a light source; and the photoluminescence quantum dot thin film comprises a red quantum dot color area, a green quantum dot color area and a blue quantum dot color area. Through arranging the upper conversion optical thin film on the quantum dot thin film conversion film and close to one side of the light source, light with a long wavelength is automatically converted into light with a short wavelength, photon utilization rates of the green light area and the blue light area of the quantum dot color light conversion film are improved, the panel brightness is further improved, and the power consumption is reduced.
Description
Technical field
The present invention relates to Display Technique field, particularly relate to a kind of quantum dot colourama conversion film, oled panel and display unit.
Background technology
In the present age of information-intensive society, as the importance of the display of visual information transmission medium in further reinforcement, in order at following dominate, display just towards gentlier, the trend development of thinner, more low energy consumption, more low cost and better picture quality.
Organic electroluminescent LED (OLED) due to its there is self-luminous, reaction is fast, visual angle is wide, brightness is high, the advantage such as frivolous, its market potential prospect is had an optimistic view of by industry.Current oled panel mainly contains two kinds of modes and realizes colored display: one is the combination of direct RGB light emitting sub-pixel; One adds CF(ColorFilter by white light OLED, colored filter) realize full-color display, its structure is as seen in figure la and lb.Wherein the mode of the first RGB light emitting sub-pixel is more difficult in evaporation process realizes large-area display; The second white light OLED adds CF and then easily realizes large-area displays, but owing to have employed CF, therefore its brightness and colour gamut all receive the impact of CF.As shown in figures 2 a and 2b, current a kind of corrective measure adopts luminescence generated by light quantum dot to make CF (forming luminescence generated by light quantum dot film) exactly, to increase display colour gamut, reduce conventional CF to a certain extent only by designated color light simultaneously, cause brightness to reduce the impact of power consumption rising.
But the current this power problems still existing and increase display floater of improving one's methods, especially blue subpixel areas, only have the photon of short wavelength to be utilized, the photon of long wavelength is all lost by CF.
Therefore, prior art has yet to be improved and developed.
Summary of the invention
In view of above-mentioned the deficiencies in the prior art, the object of the present invention is to provide a kind of quantum dot colourama conversion film, oled panel and display unit, be intended to solve the problem that its power consumption of existing display surface is high, photon utilance is low.
Technical scheme of the present invention is as follows:
A kind of quantum dot colourama conversion film, wherein, comprising: luminescence generated by light quantum dot film and the upper switchable optical film be arranged on also near light source side on luminescence generated by light quantum dot film; Described luminescence generated by light quantum dot film comprises red quantum Dian Se district, green quantum dot look district and blue quantum dot look district.
Described quantum dot colourama conversion film, wherein, described upper switchable optical film comprises the green that is arranged in green quantum dot look district to be changed look district and is arranged on blue upper conversion look district of first in blue quantum dot look district.
Described quantum dot colourama conversion film, wherein, described upper switchable optical film is the solid compounds being doped with rare earth element.
Described quantum dot colourama conversion film, wherein, described rare earth element is Yb, Er, Ho, Tm, Pr or Nd.
Described quantum dot colourama conversion film, wherein, described solid compounds is fluoride, chloride, oxide, sulfide or their mixture.
Described quantum dot colourama conversion film, wherein, described upper switchable optical film comprises the second blueness upper conversion look district be arranged in green quantum dot look district and blue quantum dot look district.
Described quantum dot colourama conversion film, wherein, described luminescence generated by light quantum dot film also comprises white quantum dot look district.
A kind of oled panel, wherein, comprise substrate, quantum dot colourama conversion film, tft array, white light OLED, encapsulated layer successively, described quantum dot colourama conversion film is quantum dot colourama conversion film as above.
A kind of oled panel, wherein, comprise substrate, tft array, white light OLED, quantum dot colourama conversion film, encapsulated layer successively, described quantum dot colourama conversion film is quantum dot colourama conversion film as above.
A kind of OLED display, wherein, adopts oled panel as above.
Beneficial effect: the present invention is by arranging switchable optical film in quantum dot colourama conversion film near light source side, thus by the light of long wavelength from the light converting short wavelength to, improve the green wavelength of quantum stippling coloured light conversion film and the photon utilance of blue region, and then raising panel luminance, reduce display power consumption.
Accompanying drawing explanation
Fig. 1 a and Fig. 1 b is respectively the bottom emitting of an oled panel embodiment and the structural representation of top emitting in prior art.
Fig. 2 a and Fig. 2 b is respectively the bottom emitting of another embodiment of oled panel and the structural representation of top emitting in prior art.
Fig. 3 a and Fig. 3 b is respectively the bottom emitting of oled panel first embodiment of the present invention and the structural representation of top emitting.
Fig. 4 a and Fig. 4 b is respectively the bottom emitting of oled panel second embodiment of the present invention and the structural representation of top emitting.
Fig. 5 a and Fig. 5 b is respectively the bottom emitting of oled panel of the present invention 3rd embodiment and the structural representation of top emitting.
Embodiment
The invention provides a kind of quantum dot colourama conversion film, oled panel and display unit, for making object of the present invention, technical scheme and effect clearly, clearly, the present invention is described in more detail below.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
A kind of quantum dot colourama of the present invention conversion film first embodiment, can with reference to shown in figure 3a and Fig. 3 b, and it comprises: luminescence generated by light quantum dot film 200 and the upper switchable optical film be arranged on also near light source side on luminescence generated by light quantum dot film 200; Described luminescence generated by light quantum dot film 200 comprises red quantum Dian Se district 230, green quantum dot look district 220 and blue quantum dot look district 210.
Wherein the ruddiness of long wavelength, orange light or gold-tinted can be converted to green glow or the blue light of short wavelength by the upper switchable optical film in green sub-pixels district (corresponding green quantum dot look district 220), and the upper switchable optical film in blue subpixels district (corresponding blue quantum dot look district 210) can convert the ruddiness of long wavelength, orange light, gold-tinted or green glow to blue light.
Specifically, as shown in Figure 3 a and Figure 3 b shows, described upper switchable optical film comprise the green that is arranged in green quantum dot look district 220 changes look district 221(it is arranged at green quantum dot look district 220 near light source side) and it is arranged at blue quantum dot look district 210 near light source side to be arranged on the blue upper conversion look district 211(in first in blue quantum dot look district 210).Red quantum Dian Se district 230 does not arrange upper switchable optical film near light source side.
By adopting the quantum dot colourama conversion film of Fig. 3 a and Fig. 3 b, in red sub-pixel district (corresponding red quantum Dian Se district 230), the light that white light OLED medium wavelength can be shorter than its wavelength of transmitted light by red quantum Dian Se district 230 converts ruddiness to, realizes the red emission of red sub-pixel;
In green sub-pixels district, described green is changed look district 221 and the long wavelength light in White OLED can be converted to the short-wavelength light that can excite green quantum dot look district 220, green quantum dot look district 220 converts the short-wavelength light that the green glow in white light OLED, blue light and green upper conversion look district 221 are converted to green glow, realizes the green emission of green sub-pixels; And its wavelength of short-wavelength light that green upper conversion look district 221 is converted to is in the excitation wavelength range in green quantum dot look district 220.
In blue subpixels district, long wavelength light in White OLED can be converted to the short-wavelength light in excitated blue quantum dot look district 210 by the described first blue upper conversion look district 211, blue quantum dot look district 210 converts the short-wavelength light that the blue light in white light OLED and the first blue upper conversion look district 211 are converted to blue light, realizes the blue emission of blue subpixels.And the short-wavelength light that the first blue upper conversion look district 211 is converted to is in the excitation wavelength range in blue quantum dot look district 210.
By adopting quantum dot colourama conversion film of the present invention, greatly can improve the photon utilance in the White OLED light source of green glow sub-pixel area and blue photons pixel region, thus improve the above-mentioned oled panel of quantum dot colourama conversion film of employing and the brightness of corresponding display unit, reduce power consumption.
Further, described upper switchable optical film is the solid compounds being doped with rare earth element.Rare earth element has special electron configuration, is applied in switchable optical film, contributes to improving its optical property.
Described rare earth element includes but not limited to Yb, Er, Ho, Tm, Pr or Nd.
Described solid compounds includes but not limited to fluoride, chloride, oxide, sulfide or their mixture.
A kind of quantum dot colourama of the present invention conversion film second embodiment, can with reference to shown in figure 4a and Fig. 4 b, and it comprises: luminescence generated by light quantum dot film 200 and the upper switchable optical film be arranged on also near light source side on luminescence generated by light quantum dot film 200; Described luminescence generated by light quantum dot film 200 comprises red quantum Dian Se district 230, green quantum dot look district 220 and blue quantum dot look district 210; Described upper switchable optical film comprises the second blueness upper conversion look district 212 be arranged in green quantum dot look district 220 and blue quantum dot look district 210, that is, the close light source side in green quantum dot look district 220 and blue quantum dot look district 210 all arranges identical short wavelength second blueness upper conversion look district 212.Red quantum Dian Se district 230 does not arrange upper switchable optical film near light source side.
By adopting the quantum dot colourama conversion film of Fig. 4 a and Fig. 4 b, in red sub-pixel district (corresponding red quantum Dian Se district 230), the light that white light OLED medium wavelength can be shorter than its wavelength of transmitted light by red quantum Dian Se district 230 converts ruddiness to, realizes the red emission of red sub-pixel;
And in green sub-pixels district and blue subpixels district, because upper switchable optical film adopts identical short wavelength second blueness upper conversion look district 212, the long wavelength light in White OLED can be converted to the short-wavelength light in excitated blue quantum dot look district 210 and green quantum dot look district 220 by the described second blue upper conversion look district 212; Blue quantum dot look district 210 converts the short-wavelength light that the blue light in white light OLED and the second blue upper conversion look district 212 are converted to blue light, realizes the blue emission of blue subpixels; Green quantum dot look district 220 converts the short-wavelength light that the green glow in white light OLED, blue light and the second blue upper conversion look district 212 are converted to green glow, realizes the green emission of green sub-pixels.And the short-wavelength light that the second blue upper conversion look district 212 is converted to is in the excitation wavelength range in blue quantum dot look district 210 and green quantum dot look district 220.
A kind of quantum dot colourama of the present invention conversion film the 3rd embodiment, can with reference to shown in figure 5a and Fig. 5 b, itself and the second embodiment unlike, also comprise white quantum dot look district 240.As shown in figure 5a and 5b, in white sub-pixels district (corresponding white quantum dot look district 240), upper switchable optical film is not set near light source side.
The present invention also provides a kind of oled panel, as shown in Fig. 3 a, 4a and 5a, it comprises substrate 100, quantum dot colourama conversion film 200, tft array 300, white light OLED 400, encapsulated layer 500 successively, and described quantum dot colourama conversion film 200 is quantum dot colourama conversion film as above.Above-mentioned oled panel belongs to the structure of bottom emitting.
The present invention also provides another kind of oled panel, as shown in Fig. 3 b, 4b and 5b, it comprises substrate 100, tft array 300, white light OLED 400, quantum dot colourama conversion film 200, encapsulated layer 500 successively, and described quantum dot colourama conversion film 200 is quantum dot colourama conversion film as above.Above-mentioned oled panel belongs to the structure of top emitting.
The present invention is a kind of OLED display also, and it adopts oled panel as above.
In sum, the present invention is by arranging switchable optical film at luminescence generated by light quantum dot film near the side of white light OLED, long wavelength light is converted to the short-wavelength light of energy exciting light photoluminescence quantum dot, thus the photon service efficiency in raising white light OLED, and then improve the brightness of display floater and display unit, reduce display power consumption.
Should be understood that, application of the present invention is not limited to above-mentioned citing, for those of ordinary skills, can be improved according to the above description or convert, and all these improve and convert the protection range that all should belong to claims of the present invention.
Claims (10)
1. a quantum dot colourama conversion film, is characterized in that, comprising: luminescence generated by light quantum dot film and the upper switchable optical film be arranged on also near light source side on luminescence generated by light quantum dot film; Described luminescence generated by light quantum dot film comprises red quantum Dian Se district, green quantum dot look district and blue quantum dot look district.
2. quantum dot colourama conversion film according to claim 1, is characterized in that, described upper switchable optical film comprises the green that is arranged in green quantum dot look district to be changed look district and is arranged on blue upper conversion look district of first in blue quantum dot look district.
3. quantum dot colourama conversion film according to claim 1, is characterized in that, described upper switchable optical film is the solid compounds being doped with rare earth element.
4. quantum dot colourama conversion film according to claim 3, is characterized in that, described rare earth element is Yb, Er, Ho, Tm, Pr or Nd.
5. quantum dot colourama conversion film according to claim 3, is characterized in that, described solid compounds is fluoride, chloride, oxide, sulfide or their mixture.
6. quantum dot colourama conversion film according to claim 1, is characterized in that, described upper switchable optical film comprises the second blueness upper conversion look district be arranged in green quantum dot look district and blue quantum dot look district.
7. quantum dot colourama conversion film according to claim 6, is characterized in that, described luminescence generated by light quantum dot film also comprises white quantum dot look district.
8. an oled panel, is characterized in that, comprises substrate, quantum dot colourama conversion film, tft array, white light OLED, encapsulated layer successively, and described quantum dot colourama conversion film is the quantum dot colourama conversion film as described in any one of claim 1 ~ 7.
9. an oled panel, is characterized in that, comprises substrate, tft array, white light OLED, quantum dot colourama conversion film, encapsulated layer successively, and described quantum dot colourama conversion film is the quantum dot colourama conversion film as described in any one of claim 1 ~ 7.
10. an OLED display, is characterized in that, adopts oled panel as claimed in claim 8 or 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201610110668.0A CN105576004A (en) | 2016-02-29 | 2016-02-29 | Quantum dot color light conversion film, OLED panel and display device |
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| CN201610110668.0A CN105576004A (en) | 2016-02-29 | 2016-02-29 | Quantum dot color light conversion film, OLED panel and display device |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106340597A (en) * | 2016-08-31 | 2017-01-18 | 纳晶科技股份有限公司 | Light emitting device |
| CN106450025A (en) * | 2016-10-12 | 2017-02-22 | 深圳市华星光电技术有限公司 | Blue light compensating film and OLED display apparatus |
| WO2018120710A1 (en) * | 2016-12-27 | 2018-07-05 | 京东方科技集团股份有限公司 | Oled display panel, method for manufacturing same, and display device |
| WO2018153107A1 (en) * | 2017-02-27 | 2018-08-30 | 京东方科技集团股份有限公司 | Display panel, electroluminescent light-emitting device, and method for fabricating same |
| CN108807699A (en) * | 2017-04-26 | 2018-11-13 | 张家港康得新光电材料有限公司 | Transparence display film |
| CN108807700A (en) * | 2017-04-26 | 2018-11-13 | 张家港康得新光电材料有限公司 | Transparence display film |
| WO2022261941A1 (en) * | 2021-06-18 | 2022-12-22 | 京东方科技集团股份有限公司 | Display panel, display device, and method for manufacturing display panel |
| WO2022267533A1 (en) * | 2021-06-25 | 2022-12-29 | 京东方科技集团股份有限公司 | Display panel and preparation method therefor |
| WO2023002699A1 (en) * | 2021-07-19 | 2023-01-26 | ソニーグループ株式会社 | Display device and electronic equipment |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103235442A (en) * | 2013-04-22 | 2013-08-07 | 京东方科技集团股份有限公司 | Color film substrate, display panel and display device |
| CN103472513A (en) * | 2013-08-21 | 2013-12-25 | 京东方科技集团股份有限公司 | Colour filter layer, colour film substrate and display device |
| US20150380654A1 (en) * | 2014-01-27 | 2015-12-31 | Boe Technology Group Co., Ltd. | Light emitting device, production method thereof, and display panel |
-
2016
- 2016-02-29 CN CN201610110668.0A patent/CN105576004A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103235442A (en) * | 2013-04-22 | 2013-08-07 | 京东方科技集团股份有限公司 | Color film substrate, display panel and display device |
| CN103472513A (en) * | 2013-08-21 | 2013-12-25 | 京东方科技集团股份有限公司 | Colour filter layer, colour film substrate and display device |
| US20150380654A1 (en) * | 2014-01-27 | 2015-12-31 | Boe Technology Group Co., Ltd. | Light emitting device, production method thereof, and display panel |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106340597A (en) * | 2016-08-31 | 2017-01-18 | 纳晶科技股份有限公司 | Light emitting device |
| US10790463B2 (en) | 2016-08-31 | 2020-09-29 | Najing Technology Corporation Limited | Light emitting device |
| CN106450025A (en) * | 2016-10-12 | 2017-02-22 | 深圳市华星光电技术有限公司 | Blue light compensating film and OLED display apparatus |
| WO2018120710A1 (en) * | 2016-12-27 | 2018-07-05 | 京东方科技集团股份有限公司 | Oled display panel, method for manufacturing same, and display device |
| US10439007B2 (en) | 2016-12-27 | 2019-10-08 | Boe Technology Group Co., Ltd. | OLED display panel, method of fabricating the same and display apparatus having the same |
| WO2018153107A1 (en) * | 2017-02-27 | 2018-08-30 | 京东方科技集团股份有限公司 | Display panel, electroluminescent light-emitting device, and method for fabricating same |
| US10756285B2 (en) | 2017-02-27 | 2020-08-25 | Boe Technology Group Co., Ltd. | Display panel, electroluminescent panel and manufacturing method thereof |
| CN108807699A (en) * | 2017-04-26 | 2018-11-13 | 张家港康得新光电材料有限公司 | Transparence display film |
| CN108807700A (en) * | 2017-04-26 | 2018-11-13 | 张家港康得新光电材料有限公司 | Transparence display film |
| WO2022261941A1 (en) * | 2021-06-18 | 2022-12-22 | 京东方科技集团股份有限公司 | Display panel, display device, and method for manufacturing display panel |
| WO2022267533A1 (en) * | 2021-06-25 | 2022-12-29 | 京东方科技集团股份有限公司 | Display panel and preparation method therefor |
| WO2023002699A1 (en) * | 2021-07-19 | 2023-01-26 | ソニーグループ株式会社 | Display device and electronic equipment |
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Application publication date: 20160511 |
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