CN105280685A - Display panel, manufacturing method of display panel, and display device - Google Patents
Display panel, manufacturing method of display panel, and display device Download PDFInfo
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- CN105280685A CN105280685A CN201510587426.6A CN201510587426A CN105280685A CN 105280685 A CN105280685 A CN 105280685A CN 201510587426 A CN201510587426 A CN 201510587426A CN 105280685 A CN105280685 A CN 105280685A
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Abstract
The invention relates to a display panel, a manufacturing method of the display panel, and a display device. The display panel includes an upper substrate and a lower substrate, and a plurality of first light-emitting units and a plurality of second light-emitting units that are arranged between the upper substrate and the lower substrate, first light-reflecting units corresponding to the first light-emitting units are arranged on the upper substrate, second light-reflecting units corresponding to the second light-emitting units are arranged under the lower substrate, and the display panel is characterized by including a plurality of first light excitation units arranged between the upper substrate and the first light-reflecting units and between the lower substrate and the second light-reflecting units. Through the arrangement of the first light excitation units between the substrates and the light-reflecting units, the quantity of light emitted by the first excitation units is greater than the quantity of white light through a light filtering unit, the brightness of the light filtered by the light filtering unit corresponding to the first light-emitting units is partially compensated, so that the light brightness of a double-side light-emitting display panel is improved.
Description
Technical field
The present invention relates to Display Technique field, in particular to a kind of display floater, a kind of display unit and a kind of display floater manufacture method.
Background technology
In order to improve the light utilization efficiency of OLED (Organic Light Emitting Diode) in prior art, devise structure as shown in Figure 1, multiple organic light-emitting units for emitting white light is set between upper substrate and infrabasal plate, each organic light-emitting units can simultaneously to upper substrate and infrabasal plate luminescence, the position of the corresponding even number luminescent material of upper substrate arranges reflector layer and black matrix, light for being sent to upper substrate by even number luminescent material reflects and penetrates from infrabasal plate, the position of the corresponding odd number luminescent material of infrabasal plate is provided with reflector layer and black matrix, light for being sent to infrabasal plate by odd number luminescent material reflects and penetrates from upper substrate.Simultaneously, the position of the corresponding odd number luminescent material of upper substrate is provided with filter, to make by the white light of this filter in the color corresponding to filter, the position of the corresponding even number luminescent material of infrabasal plate is provided with filter, is the color corresponding to filter to make by the white light of this filter.
In above-mentioned technology, the white light sent when luminous organic material by filter after, only have the light identical with filter color to pass through, the light of other colors can, by filtering, cause emitting brightness lower, and the light utilization efficiency sent for light source is lower.
Summary of the invention
Technical problem to be solved by this invention is, improves the utilance for organic light-emitting units luminescence.
For this purpose, the present invention proposes a kind of display floater, comprise: upper substrate and infrabasal plate, and multiple first luminescence unit be arranged between described upper substrate and infrabasal plate and multiple second luminescence unit, correspondingly with the first luminescence unit on upper substrate be provided with the first reflecting unit, correspondingly with the second luminescence unit under infrabasal plate be provided with the second reflecting unit, also comprise:
Multiple first optical excitation unit, is arranged between described upper substrate and described first reflecting unit, and is arranged between described infrabasal plate and described second reflecting unit.
Preferably, also comprise:
Be arranged on the first filter unit corresponding with described first luminescence unit under described infrabasal plate, be arranged on the second filter unit corresponding with described second luminescence unit on described upper substrate,
Wherein, be arranged on the first optical excitation unit between described upper substrate and described reflecting unit, the first filter unit color that the color of the light sent after being excited is corresponding with the first corresponding luminescence unit is identical,
Be arranged on the first optical excitation unit between described infrabasal plate and described luminescent layer, the second filter unit color that the color of the light sent after being excited is corresponding with the second corresponding luminescence unit is identical.
Preferably, between the first filter unit and infrabasal plate, and between the second filter unit and upper substrate, be also provided with the second optical excitation unit.
Preferably, be arranged on the second optical excitation unit between described infrabasal plate and described first filter unit, the color sending light after being excited is identical with the first corresponding filter unit color,
Be arranged on the second optical excitation unit between described upper substrate and described second filter unit, the color sending light after being excited is identical with the second corresponding filter unit color.
Preferably, described first optical excitation unit and the second optical excitation unit comprise fluorescent material and/or quanta point material.
Preferably, described first luminescence unit and described second luminescence unit are crisscross arranged between described upper substrate and infrabasal plate.
Preferably, the first adjacent luminescence unit and the second luminescence unit are at a distance of predeterminable range.
The invention allows for a kind of display unit, comprise above-mentioned display floater.
The invention allows for a kind of manufacture method for making above-mentioned display floater, comprising:
On infrabasal plate, form multiple first luminescence unit and multiple second luminescence unit, upper substrate is set on multiple first luminescence unit and multiple second luminescence unit;
Position corresponding with described first luminescence unit on described upper substrate, and position corresponding with described second luminescence unit under described infrabasal plate, form the first optical excitation unit;
On the first optical excitation unit that the first luminescence unit is corresponding, form the first reflecting unit, on the second optical excitation unit that the second luminescence unit is corresponding, form the second reflecting unit.
Preferably, also comprise:
Position corresponding with described first luminescence unit under described infrabasal plate forms the first filter unit, and position corresponding with described second luminescence unit on described upper substrate forms the second filter unit,
Wherein, be formed in the first optical excitation unit between described upper substrate and described reflecting unit, the first filter unit color that the color of the light sent after being excited is corresponding with the first corresponding luminescence unit is identical,
Be formed in the first optical excitation unit between described infrabasal plate and described luminescent layer, the second filter unit color that the color of the light sent after being excited is corresponding with the second corresponding luminescence unit is identical.
Preferably, also comprised before described first filter unit of formation and the second green glow unit:
Position corresponding with described first luminescence unit under described infrabasal plate, and position corresponding with described second luminescence unit on described upper substrate, form the second optical excitation unit,
Wherein, described first filter unit is formed in below the second optical excitation unit under described infrabasal plate, and described second filter unit is formed in above the second optical excitation single tube on described upper substrate.
According to technique scheme, by arranging the first optical excitation unit between substrate and reflecting unit, the white light that luminescence unit can be made to launch to substrate when directive reflecting unit, first through the first optical excitation unit.The light that white light medium frequency is higher can excite the first optical excitation unit to send the lower light of frequency, penetrate from opposite side substrate through reflecting unit reflection, and optical excitation unit is excited sent light when the filter unit corresponding by the first optical excitation unit, the light quantity passed through relative to white light is more, thus partial-compensation is by the brightness of the first luminescence unit corresponding filter unit filtering light, thus improve the luminosity of double-side display floater.
Accompanying drawing explanation
Can understanding the features and advantages of the present invention clearly by reference to accompanying drawing, accompanying drawing is schematic and should not be construed as and carry out any restriction to the present invention, in the accompanying drawings:
Fig. 1 shows the structural representation of display floater in prior art;
Fig. 2 shows the structural representation of display floater according to an embodiment of the invention;
Fig. 3 shows the structural representation of the display floater according to another embodiment of the present invention;
Fig. 4 shows the schematic flow diagram of display floater manufacture method according to an embodiment of the invention;
Fig. 5 to Fig. 8 shows the particular flow sheet of display floater manufacture method according to an embodiment of the invention;
Drawing reference numeral illustrates:
1-first luminescence unit; 2-second luminescence unit; 10-infrabasal plate; 11-first reflecting unit; 12-first optical excitation unit; 13-first filter unit; 20-upper substrate; 21-second reflecting unit; 22-second optical excitation unit; 23-second filter unit.
Embodiment
In order to more clearly understand above-mentioned purpose of the present invention, feature and advantage, below in conjunction with the drawings and specific embodiments, the present invention is further described in detail.It should be noted that, when not conflicting, the feature in the embodiment of the application and embodiment can combine mutually.
Set forth a lot of detail in the following description so that fully understand the present invention; but; the present invention can also adopt other to be different from other modes described here and implement, and therefore, protection scope of the present invention is not by the restriction of following public specific embodiment.
As shown in Figure 2, display floater comprises according to an embodiment of the invention: upper substrate 20 and infrabasal plate 10, and multiple first luminescence unit 1 be arranged between upper substrate 20 and infrabasal plate 10 and multiple second luminescence unit 2, correspondingly with the first luminescence unit 1 on upper substrate 20 be provided with the first reflecting unit 11, correspondingly with the second luminescence unit 2 under infrabasal plate 10 be provided with the second reflecting unit 21, also comprise:
Multiple first optical excitation unit 12, is arranged between upper substrate 20 and the first reflecting unit 11, and is arranged between infrabasal plate 10 and the second reflecting unit 21.
The first luminescence unit 1 in the present embodiment and the second luminescence unit 2 can be luminous organic material, and each luminescence unit can simultaneously to upper substrate 20 and infrabasal plate 10 luminescence.
For the first luminescence unit 1, by arranging the first optical excitation unit 12 between upper substrate 20 and the first reflecting unit 11, can make white light that the first luminescence unit 1 sends to upper substrate 20 in directive first reflecting unit 11 process, first through the first optical excitation unit 12.
The light that white light medium frequency is higher can excite the first optical excitation unit 12 to send the lower light of frequency, such as the first optical excitation unit 12 is red quantum point material, blue light so in white light and/or green glow can excite the first optical excitation unit 12 to send ruddiness, ruddiness reflects through the first reflecting unit 11 and penetrates from infrabasal plate 10, when the first filter unit 13 by the first optical excitation unit 12 correspondence, such as the first filter unit 13 is Red lightscreening plate, so ruddiness is more by the light quantity of the first filter unit 13 relative to white light, thus partly compensate by the brightness of the firstth filter unit 13 filtering light.For the second luminescence unit in like manner.Thus improve the luminosity of double-side display floater, when display floater output brightness one timing, the present invention can reduce the power consumption of display floater.
In addition, can also at the black matrix of the arranged outside of each reflecting unit, to ensure the reflecting effect of reflecting unit.
Preferably, also comprise:
Be arranged on the first filter unit 13 corresponding with the first luminescence unit 1 under infrabasal plate 10, be arranged on the second filter unit 23 corresponding with the second luminescence unit 2 on upper substrate 20,
Wherein, be arranged on the first optical excitation unit 12 between upper substrate 20 and the second reflecting unit 21, the first filter unit 13 color that the color of the light sent after being excited is corresponding with the first corresponding luminescence unit 1 is identical,
Be arranged on the first optical excitation unit 12 between infrabasal plate 10 and the first reflecting unit 11, the second filter unit 23 color that the color of the light sent after being excited is corresponding with the second corresponding luminescence unit 2 is identical.
The present embodiment can ensure that the color sending light after the first optical excitation unit 12 is excited is identical with the color of corresponding filter unit, thus the light sent after being excited is reflecting through reflecting unit, and during from corresponding filter unit injection, can not further by filter unit filtering, ensure that and making full use of of light is sent for luminescence unit.
The first filter unit 13 that such as certain first luminescence unit 12 is corresponding under infrabasal plate 10 is red, green light so in white light and/or blue light can excite this first optical excitation unit 12 to glow, this ruddiness reflects after infrabasal plate 10 injection through the first reflecting unit 11, red filter unit 13 can be passed through completely, thus ensure making full use of for blue light in white light and green light.
As shown in Figure 2, preferably, between the first filter unit 13 and infrabasal plate 10, and the second optical excitation unit 22 is also provided with between the second filter unit 23 and upper substrate 20.
For the first luminescence unit, by arranging the second optical excitation unit 22 between infrabasal plate 10 and filter unit, the white light that the first luminescence unit 12 can be made to locate to infrabasal plate 10 before by the first filter unit 13, first through the second optical excitation unit 22.
The light that white light medium frequency is higher can excite the second optical excitation unit 22 to send the lower light of frequency, such as the first filter unit 13 is green color filter, second optical excitation unit 22 is green quanta point material, blue light so in white light can excite the second optical excitation unit 22 to send green glow, green glow is when the first filter unit 13, so green glow is more by the light quantity of the first filter unit 13 relative to white light, thus partly compensates by the brightness of the firstth filter unit 13 filtering light.For the second luminescence unit in like manner.Thus improve the luminosity of double-side display floater, when display floater output brightness one timing, the present invention can reduce the power consumption of display floater.
Preferably, be arranged on the second optical excitation unit 22 between infrabasal plate 10 and the first filter unit 13, the color sending light after being excited is identical with the first corresponding filter unit 13 color,
Be arranged on the second optical excitation unit 22 between upper substrate 20 and the second filter unit 23, the color sending light after being excited is identical with the second corresponding filter unit 23 color.
The present embodiment can ensure that the color sending light after the second optical excitation unit 22 is excited is identical with the color of corresponding filter unit, thus the light sent after being excited is when from corresponding filter unit injection, can not further by filter unit filtering, ensure that and making full use of of light is sent for luminescence unit.
The first filter unit 13 that such as certain second luminescence unit 22 is corresponding under infrabasal plate 10 is green, blue light so in white light can excite this second optical excitation unit 22 green light, this green glow through passing through red filter unit 13 completely, thus ensures making full use of for blue light in white light.
Preferably, the first optical excitation unit 13 and the second optical excitation unit 22 comprise fluorescent material and/or quanta point material.The density of fluorescent material and/or quanta point material can be arranged as required.
Preferably, the first luminescence unit 1 and the second luminescence unit 2 are crisscross arranged between upper substrate 20 and infrabasal plate 10.
Because the exit positions of the first luminescence unit 1 is at infrabasal plate 10, the first luminescence unit 1 and the second luminescence unit 2, at upper substrate 20, are crisscross arranged, can make display floater upper and lower both sides uniform in light emission by the exit positions of the second luminescence unit 2.
Preferably, the first adjacent luminescence unit 1 and the second luminescence unit 2 are at a distance of predeterminable range.
The light that the present embodiment can avoid the first luminescence unit 1 to send penetrates from the exit positions of the second luminescence unit 2 correspondence, and the light avoiding the second luminescence unit 2 to send penetrates from the exit positions of the first luminescence unit 1 correspondence, to ensure light leak to occur in procedure for displaying.
The invention allows for a kind of display unit, comprise above-mentioned display floater.
It should be noted that, the display unit in the present embodiment can be: any product or parts with Presentation Function such as Electronic Paper, mobile phone, panel computer, television set, notebook computer, DPF, navigator.
As shown in Figure 4, the invention allows for a kind of manufacture method for making above-mentioned display floater, comprising:
S1, forms multiple first luminescence unit 1 and multiple second luminescence unit 2 on infrabasal plate 10, as described in Figure 5, arranges upper substrate 20, as shown in Figure 6 on multiple first luminescence unit 1 and multiple second luminescence unit 2;
S2, position corresponding with the first luminescence unit 1 on upper substrate 20, and position corresponding with the second luminescence unit 2 under infrabasal plate 10, form the first optical excitation unit 12, as shown in Figure 7;
S3, forms the first reflecting unit on the first optical excitation unit that the first luminescence unit is corresponding, forms the second reflecting unit, as shown in Figure 8 on the second optical excitation unit that the second luminescence unit is corresponding.
Preferably, also comprise:
S4, position corresponding with the first luminescence unit under infrabasal plate forms the first filter unit, and position corresponding with the second luminescence unit on upper substrate forms the second filter unit,
Wherein, be formed in the first optical excitation unit between upper substrate and reflecting unit, the first filter unit color that the color of the light sent after being excited is corresponding with the first corresponding luminescence unit is identical,
Be formed in the first optical excitation unit between infrabasal plate and luminescent layer, the second filter unit color that the color of the light sent after being excited is corresponding with the second corresponding luminescence unit is identical, thus forms display floater as shown in Figure 2.
Preferably, also comprised before formation first filter unit and the second green glow unit:
Position corresponding with the first luminescence unit under infrabasal plate, and position corresponding with the second luminescence unit on upper substrate, form the second optical excitation unit,
Wherein, the first filter unit is formed in below the second optical excitation unit under infrabasal plate, and the second filter unit is formed in above the second optical excitation single tube on upper substrate.
Wherein, the formation process that above-mentioned flow process adopts such as can comprise: the patterning processes such as film-forming process and etching such as deposition, sputtering.
More than be described with reference to the accompanying drawings technical scheme of the present invention, consider in prior art, the white light that in double face display panel, luminous organic material sends is by after filter, the light identical with filter color is only had to pass through, the light of other colors can by filtering, cause emitting brightness lower, the light utilization efficiency sent for light source is lower.According to technical scheme of the present invention, by arranging the first optical excitation unit between substrate and reflecting unit, the white light that luminescence unit can be made to launch to substrate when directive reflecting unit, first through the first optical excitation unit.The light that white light medium frequency is higher can excite the first optical excitation unit to send the lower light of frequency, penetrate from opposite side substrate through reflecting unit reflection, and optical excitation unit is excited sent light when the filter unit corresponding by the first optical excitation unit, the light quantity passed through relative to white light is more, thus partial-compensation is by the brightness of the first luminescence unit corresponding filter unit filtering light, thus improve the luminosity of double-side display floater.
It is pointed out that in the accompanying drawings, in order to the illustrated clear size that may be exaggerated layer and region.And be appreciated that when element or layer be called as another element or layer " on " time, directly on other elements, or can there is middle layer in it.In addition, being appreciated that when element or layer are called as at another element or layer D score, directly under other elements, or can there is layer or the element of more than one centre in it.In addition, be further appreciated that when layer or element be called as two-layer or two elements " between " time, it can be two-layer or layer only between two elements, maybe can also there is more than one intermediate layer or element.Reference marker similar in the whole text indicates similar element.
In the present invention, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance.Term " multiple " refers to two or more, unless otherwise clear and definite restriction.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (11)
1. a display floater, comprise: upper substrate and infrabasal plate, and multiple first luminescence unit be arranged between described upper substrate and infrabasal plate and multiple second luminescence unit, correspondingly with the first luminescence unit on upper substrate be provided with the first reflecting unit, correspondingly with the second luminescence unit under infrabasal plate be provided with the second reflecting unit, it is characterized in that, also comprise:
Multiple first optical excitation unit, is arranged between described upper substrate and described first reflecting unit, and is arranged between described infrabasal plate and described second reflecting unit.
2. display floater according to claim 1, is characterized in that, also comprises:
Be arranged on the first filter unit corresponding with described first luminescence unit under described infrabasal plate, be arranged on the second filter unit corresponding with described second luminescence unit on described upper substrate,
Wherein, be arranged on the first optical excitation unit between described upper substrate and described reflecting unit, the first filter unit color that the color of the light sent after being excited is corresponding with the first corresponding luminescence unit is identical,
Be arranged on the first optical excitation unit between described infrabasal plate and described luminescent layer, the second filter unit color that the color of the light sent after being excited is corresponding with the second corresponding luminescence unit is identical.
3. display floater according to claim 2, is characterized in that, between the first filter unit and infrabasal plate, and is also provided with the second optical excitation unit between the second filter unit and upper substrate.
4. display floater according to claim 3, is characterized in that, is arranged on the second optical excitation unit between described infrabasal plate and described first filter unit, and the color sending light after being excited is identical with the first corresponding filter unit color,
Be arranged on the second optical excitation unit between described upper substrate and described second filter unit, the color sending light after being excited is identical with the second corresponding filter unit color.
5. display floater according to claim 3, is characterized in that, described first optical excitation unit and the second optical excitation unit comprise fluorescent material and/or quanta point material.
6. display floater according to any one of claim 1 to 5, is characterized in that, described first luminescence unit and described second luminescence unit are crisscross arranged between described upper substrate and infrabasal plate.
7. display floater according to claim 6, is characterized in that, the first adjacent luminescence unit and the second luminescence unit are at a distance of predeterminable range.
8. a display unit, is characterized in that, comprises the display floater according to any one of claim 1 to 7.
9. for making a manufacture method for display floater according to any one of claim 1 to 7, it is characterized in that, comprising:
On infrabasal plate, form multiple first luminescence unit and multiple second luminescence unit, upper substrate is set on multiple first luminescence unit and multiple second luminescence unit;
Position corresponding with described first luminescence unit on described upper substrate, and position corresponding with described second luminescence unit under described infrabasal plate, form the first optical excitation unit;
On the first optical excitation unit that the first luminescence unit is corresponding, form the first reflecting unit, on the second optical excitation unit that the second luminescence unit is corresponding, form the second reflecting unit.
10. manufacture method according to claim 9, is characterized in that, also comprises:
Position corresponding with described first luminescence unit under described infrabasal plate forms the first filter unit, and position corresponding with described second luminescence unit on described upper substrate forms the second filter unit,
Wherein, be formed in the first optical excitation unit between described upper substrate and described reflecting unit, the first filter unit color that the color of the light sent after being excited is corresponding with the first corresponding luminescence unit is identical,
Be formed in the first optical excitation unit between described infrabasal plate and described luminescent layer, the second filter unit color that the color of the light sent after being excited is corresponding with the second corresponding luminescence unit is identical.
11. manufacture methods according to claim 10, is characterized in that, also comprise before described first filter unit of formation and the second green glow unit:
Position corresponding with described first luminescence unit under described infrabasal plate, and position corresponding with described second luminescence unit on described upper substrate, form the second optical excitation unit,
Wherein, described first filter unit is formed in below the second optical excitation unit under described infrabasal plate, and described second filter unit is formed in above the second optical excitation single tube on described upper substrate.
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| CN201510587426.6A CN105280685B (en) | 2015-09-15 | 2015-09-15 | Display panel and preparation method thereof and display device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510587426.6A CN105280685B (en) | 2015-09-15 | 2015-09-15 | Display panel and preparation method thereof and display device |
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| CN105280685A true CN105280685A (en) | 2016-01-27 |
| CN105280685B CN105280685B (en) | 2018-01-30 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111722438A (en) * | 2020-06-08 | 2020-09-29 | 深圳市隆利科技股份有限公司 | LCD display device for double-sided display |
| CN111724698A (en) * | 2020-06-04 | 2020-09-29 | 深圳市隆利科技股份有限公司 | Double-sided display electronic equipment |
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| US20040069995A1 (en) * | 2002-05-08 | 2004-04-15 | Zeolux Corporation | Feedback enhanced light emitting device |
| CN103227189A (en) * | 2013-04-09 | 2013-07-31 | 北京京东方光电科技有限公司 | Quantum-dot light-emitting diode displayer and display device |
| CN103345884A (en) * | 2013-06-26 | 2013-10-09 | 京东方科技集团股份有限公司 | Double-face display device and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US20040069995A1 (en) * | 2002-05-08 | 2004-04-15 | Zeolux Corporation | Feedback enhanced light emitting device |
| CN103227189A (en) * | 2013-04-09 | 2013-07-31 | 北京京东方光电科技有限公司 | Quantum-dot light-emitting diode displayer and display device |
| CN103345884A (en) * | 2013-06-26 | 2013-10-09 | 京东方科技集团股份有限公司 | Double-face display device and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111724698A (en) * | 2020-06-04 | 2020-09-29 | 深圳市隆利科技股份有限公司 | Double-sided display electronic equipment |
| CN111722438A (en) * | 2020-06-08 | 2020-09-29 | 深圳市隆利科技股份有限公司 | LCD display device for double-sided display |
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| CN105280685B (en) | 2018-01-30 |
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