CN211350692U - OLED light source - Google Patents
OLED light source Download PDFInfo
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- CN211350692U CN211350692U CN201921934766.1U CN201921934766U CN211350692U CN 211350692 U CN211350692 U CN 211350692U CN 201921934766 U CN201921934766 U CN 201921934766U CN 211350692 U CN211350692 U CN 211350692U
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Abstract
The embodiment of the utility model discloses OLED light source relates to luminous technical field, and the light source includes light source body and optical gate light-harvesting layer, and the light source body includes the glass substrate, and the coating of optical gate light-harvesting layer is on the glass substrate. The embodiment of the utility model provides an OLED light source and preparation method thereof, the optical gate that directly adopts the printing method, the technological method coating method of gyro wheel coating method or ink-jet printing method to coat and have excellent light-harvesting effect in the process of preparing OLED light source gets the photosphere, has simplified process flow to can reduce manufacturing cost; the prepared OLED light source has good light-taking capacity, can effectively scatter and reflect light, can avoid the damage of blue light to human eyesight, and simultaneously reduces the use energy consumption cost and the influence of high heat energy of the light source.
Description
Technical Field
The embodiment of the utility model provides a relate to luminous technical field, concretely relates to OLED light source.
Background
With the development of light source technology, the energy-saving requirement for light sources is higher and higher, and in order to realize energy saving, people widely use LED light sources to replace traditional light sources. However, since the LED light source is blue direct light and the high heat energy of normal lighting affects the service life of the LED light source, the LED light source is not an optimal light source technology in terms of blue light vision effect and energy saving effect in use experience.
In order to enable the light source to present various better or different optical effects, technicians develop an OLED light source, in order to increase the light extraction rate, in the existing OLED light source, a light extraction film which takes PET as a substrate and is coated with scattering and reflecting materials on the surface of the substrate is generally adhered to a light extraction surface of the OLED light source by using optical glue, so that the manufacturing difficulty of the OLED light source is increased due to complicated operation, the manufacturing cost is greatly increased, and the light extraction effect of the OLED light source is influenced.
SUMMERY OF THE UTILITY MODEL
Therefore, the embodiment of the utility model provides an OLED light source to solve among the prior art because the manufacturing process of OLED light source is loaded down with trivial details not only increased the manufacturing degree of difficulty of OLED light source, improved manufacturing cost greatly, can influence the effect scheduling problem of getting light of OLED light source moreover.
In order to achieve the above object, the embodiment of the present invention provides the following technical solutions:
according to the utility model discloses in the first aspect of the embodiment, an OLED light source, the light source includes light source body and optical gate light extraction layer, the light source body includes the glass substrate, the coating of optical gate light extraction layer is in on the glass substrate.
According to the technical scheme, the optical gate light-taking layer with excellent light-taking effect is directly coated by adopting a printing method, a roller coating method or an ink-jet printing method in the process of preparing the OLED light source, so that the process flow is simplified, and the manufacturing cost can be reduced; the prepared OLED light source has good light-taking capacity, can effectively scatter and reflect light, can avoid the damage of blue light to human eyesight, and simultaneously reduces the use energy consumption cost and the influence of high heat energy of the light source.
Furthermore, the light source body still includes lid, dry piece, cathode layer, luminescent layer, ITO layer behind the glass, lid, dry piece, cathode layer, luminescent layer, ITO layer and glass substrate set gradually from inside to outside behind the glass.
Further, the optical shutter light extraction layer is coated on the outer side face of the glass substrate. Through the technical scheme, the prepared OLED light source has a more excellent light-taking effect.
Further, the optical shutter light extraction layer is coated on the inner side face of the glass substrate; the optical shutter light-taking layer is positioned between the glass substrate and the ITO layer.
Further, the thickness of the optical shutter light extraction layer is 5-200 μm. Further, the thickness of the optical shutter light extraction layer is 50-150 μm. Through the technical scheme, the prepared OLED light source has a more excellent light-taking effect.
According to a second aspect of embodiments of the present invention, a method for manufacturing a light source is provided, the method comprising the steps of:
uniformly mixing silicon dioxide, titanium dioxide and a composite resin material to form slurry, printing, roller coating or ink-jet printing the slurry on a glass substrate of a light source body by a printing method, a roller coating method or an ink-jet printing method, and curing the slurry to form an optical gate light-taking layer.
Further, the preparation method comprises the following steps:
connecting the glass rear cover, the drying sheet, the cathode layer, the light emitting layer, the ITO layer and the glass substrate into a whole through UV glue;
uniformly mixing silicon dioxide, titanium dioxide and a composite resin material to form slurry, printing, roller coating or ink-jet printing the slurry on the outer side surface of a glass substrate of a light source body by a printing method, a roller coating method or an ink-jet printing method, and curing the slurry to form an optical gate light-taking layer.
According to the technical scheme, the light gate light-taking layer is prepared from the silicon dioxide material with the scattering effect and the titanium dioxide material with the reflection effect, so that light is scattered and reflected effectively, and the utilization rate of the OLED light source can be improved effectively.
Further, the preparation method comprises the following steps:
uniformly mixing silicon dioxide, titanium dioxide and a composite resin material to form slurry, printing, roller coating or ink-jet printing the slurry on the inner side surface of a glass substrate of a light source body by a printing method, a roller coating method or an ink-jet printing method, and curing the slurry to form an optical gate light-taking layer;
and an ITO layer, a light emitting layer, a cathode layer and a drying sheet are sequentially manufactured below the light shutter light-taking layer and are integrally packaged by UV glue and a glass rear cover.
Further, the proportion of the silicon dioxide, the titanium dioxide and the composite resin material in the slurry is 20-30 parts, 0.4-5 parts and 68-72 parts by weight; the particle sizes of the silicon dioxide and the titanium dioxide are both 100nm-50 mu m; the composite resin material is one or a mixture of at least two of polystyrene resin, polymethyl methacrylate, acrylic resin, polyurethane resin, acrylic resin, epoxy resin, organic silicon resin, polystyrene, styrene acrylonitrile copolymer, polymethyl isoprene or transparent polyamide.
The embodiment of the utility model provides a have following advantage:
the embodiment of the utility model provides an OLED light source and preparation method thereof, the optical gate that directly adopts the printing method, the technological method coating method of gyro wheel coating method or ink-jet printing method to coat and have excellent light-harvesting effect in the process of preparing OLED light source gets the photosphere, has simplified process flow to can reduce manufacturing cost; the prepared OLED light source has good light-taking capacity, can effectively scatter and reflect light, can avoid the damage of blue light to human eyesight, and simultaneously reduces the use energy consumption cost and the influence of high heat energy of the light source.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.
Fig. 1 is a schematic structural diagram of an OLED light source provided in embodiment 1 of the present invention;
fig. 2 is a schematic structural diagram of an OLED light source provided in embodiment 2 of the present invention;
in the figure: the light source comprises a light source body 1, an optical gate light-taking layer 2, a glass substrate 11, a glass rear cover 12, a drying sheet 13, a cathode layer 14, a light-emitting layer 15, an ITO layer 16 and UV glue 3.
Detailed Description
The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1
An OLED light source as shown in fig. 1 includes a light source body 1 and an optical shutter light-collecting layer 2, the light source body 1 includes a glass substrate 11, a glass rear cover 12, a drying sheet 13, a cathode layer 14, a light-emitting layer 15, and an ITO layer 16, and the glass rear cover 12, the drying sheet 13, the cathode layer 14, the light-emitting layer 15, the ITO layer 16, and the glass substrate 11 are sequentially arranged from inside to outside. The optical shutter light-extracting layer 2 is coated on the outer side surface of the glass substrate 11.
The thickness of the optical shutter light-extracting layer 2 was 50 μm.
Example 2
An OLED light source as shown in fig. 2 includes a light source body 1 and an optical shutter light-collecting layer 2, the light source body 1 includes a glass substrate 11, a glass rear cover 12, a drying sheet 13, a cathode layer 14, a light-emitting layer 15, and an ITO layer 16, and the glass rear cover 12, the drying sheet 13, the cathode layer 14, the light-emitting layer 15, the ITO layer 16, and the glass substrate 11 are sequentially arranged from inside to outside. The optical shutter light-taking layer 2 is coated on the inner side surface of the glass substrate 11; the optical shutter light-extracting layer 2 is located between the glass substrate 11 and the ITO layer 16. The thickness of the optical shutter light-extracting layer 2 was 150 μm.
Example 3
The preparation of the light source described in example 1 is as follows:
the glass rear cover 12, the drying sheet 13, the cathode layer 14, the luminescent layer 15, the ITO layer 16 and the glass substrate 11 are connected into a whole through the UV glue 3 to form the light source body 1;
uniformly mixing silicon dioxide, titanium dioxide and a composite resin material according to the weight part ratio of 25:5:70 to form slurry, printing, roller coating or ink-jet printing the slurry on the outer side surface of a glass substrate 11 of a light source body 1 by a printing method, a roller coating method or an ink-jet printing method, and curing the slurry to form an optical gate light-taking layer 2; the particle sizes of the silicon dioxide and the titanium dioxide are both 100nm-50 mu m; the composite resin material is polystyrene resin.
The initial brightness of the OLED light source prepared by the preparation method is 2500cd/m through testing2The light source has good light extraction capability and can effectively scatter and reflect light.
Example 4
The preparation method of the light source described in example 2 is as follows:
uniformly mixing silicon dioxide, titanium dioxide and a composite resin material according to the weight part ratio of 29.6:0.4:70 to form slurry, printing, roller coating or ink-jet printing the slurry on the inner side surface of a glass substrate 11 of a light source body 1 by a printing method, a roller coating method or an ink-jet printing method, and curing the slurry to form an optical gate light-taking layer 2; the particle sizes of the silicon dioxide and the titanium dioxide are both 100nm-50 mu m; the composite resin material is a mixture of polymethyl methacrylate and organic silicon resin;
an ITO layer 16, a light emitting layer 15, a cathode layer 14 and a drying sheet 13 are sequentially manufactured below the optical shutter light-taking layer 2, and then integrated and packaged by UV glue and a glass rear cover 11.
The initial brightness of the OLED light source prepared by the preparation method is 3100cd/m through testing2The light source has good light extraction capability and can effectively scatter and reflect light.
Example 5
In the preparation method of the OLED light source, the weight part ratio of the silicon dioxide, the titanium dioxide and the composite resin material is 28:2:70, and the other technical scheme is the same as that in the embodiment 3.
The initial brightness of the OLED light source prepared by the preparation method is 2700cd/m2The light source has good light extraction capability and can effectively scatter and reflect light.
Example 6
In the preparation method of the OLED light source, the weight part ratio of the silicon dioxide, the titanium dioxide and the composite resin material is 29.6:0.4:70, and the other technical scheme is the same as that in the embodiment 3.
The initial brightness of the OLED light source prepared by the preparation method is 3100cd/m through testing2The light source has good light extraction capability and can effectively scatter and reflect light.
Comparative example
The preparation method of the OLED light source comprises the following steps:
connecting the glass rear cover, the drying sheet, the cathode layer, the light emitting layer, the ITO layer and the glass substrate into a whole through UV glue;
attaching the optical cement above the OLED glass substrate;
attaching a light-taking film which takes PET as a base material and coats scattering and reflecting materials on the surface of the base material above the optical adhesive.
The initial brightness of the OLED light source prepared by the preparation method is 2000cd/m through testing2。
It can be seen from the test data of the comparative example and examples 3 to 5 that the OLED light source prepared by the preparation method of the present invention has excellent light extraction performance, and the adjustment of the ratio of silica, titanium dioxide and the composite resin in the light extraction layer of the optical gate has an important influence on the light extraction efficiency.
Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (6)
1. An OLED light source is characterized in that the light source comprises a light source body (1) and an optical shutter light-extracting layer (2), the light source body (1) comprises a glass substrate (11), and the optical shutter light-extracting layer (2) is coated on the glass substrate (11).
2. An OLED light source as claimed in claim 1, characterized in that the light source body (1) further comprises a glass rear cover (12), a drying sheet (13), a cathode layer (14), a light-emitting layer (15), and an ITO layer (16), wherein the glass rear cover (12), the drying sheet (13), the cathode layer (14), the light-emitting layer (15), the ITO layer (16), and the glass substrate (11) are arranged in sequence from inside to outside.
3. An OLED light source as claimed in claim 2, characterized in that said optical shutter light extraction layer (2) is coated on the outer side of said glass substrate (11).
4. An OLED light source as claimed in claim 2, characterized in that said optical shutter light extraction layer (2) is coated on the inner side of said glass substrate (11); the optical shutter light-extracting layer (2) is positioned between the glass substrate (11) and the ITO layer (16).
5. An OLED light source as claimed in claim 1, characterized in that said light shutter light extraction layer (2) has a thickness of 5-200 μm.
6. An OLED light source as claimed in claim 1, characterized in that said light shutter light extraction layer (2) has a thickness of 50-150 μm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921934766.1U CN211350692U (en) | 2019-11-11 | 2019-11-11 | OLED light source |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921934766.1U CN211350692U (en) | 2019-11-11 | 2019-11-11 | OLED light source |
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| CN211350692U true CN211350692U (en) | 2020-08-25 |
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| CN201921934766.1U Expired - Fee Related CN211350692U (en) | 2019-11-11 | 2019-11-11 | OLED light source |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110931648A (en) * | 2019-11-11 | 2020-03-27 | 东莞市仲磊光电材料有限公司 | OLED light source and preparation method thereof |
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2019
- 2019-11-11 CN CN201921934766.1U patent/CN211350692U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110931648A (en) * | 2019-11-11 | 2020-03-27 | 东莞市仲磊光电材料有限公司 | OLED light source and preparation method thereof |
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