CN105280685B - Display panel and preparation method thereof and display device - Google Patents
Display panel and preparation method thereof and display device Download PDFInfo
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- CN105280685B CN105280685B CN201510587426.6A CN201510587426A CN105280685B CN 105280685 B CN105280685 B CN 105280685B CN 201510587426 A CN201510587426 A CN 201510587426A CN 105280685 B CN105280685 B CN 105280685B
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- 238000004020 luminiscence type Methods 0.000 claims abstract description 105
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Abstract
The present invention relates to a kind of display panel and preparation method thereof and display device, the display panel includes：Upper substrate and infrabasal plate, and it is arranged on multiple first luminescence units between upper substrate and infrabasal plate and multiple second luminescence units, on upper substrate the first reflecting unit is correspondingly arranged on the first luminescence unit, under infrabasal plate the second reflecting unit is correspondingly arranged on the second luminescence unit, characterized in that, also include：Multiple first light excite unit, are arranged between upper substrate and the first reflecting unit, and are arranged between infrabasal plate and the second reflecting unit.By setting the first light to excite unit between substrate and reflecting unit, the light that the first light can be caused to excite unit to be excited and send, it is more by the light quantity of green glow unit relative to white light, so as to the brightness that partly compensate for being corresponded to filter unit by the first luminescence unit and being filtered out light, so as to improve the luminosity of double-side display panel.
Description
Technical field
The present invention relates to display technology field, shows in particular to a kind of display panel, a kind of display device and one kind
Show panel making method.
Background technology
In the prior art in order to improve the light utilization efficiency of OLED (Organic Light Emitting Diode), knot as shown in Figure 1 is devised
Structure, sets multiple organic light-emitting units for emitting white light between upper substrate and infrabasal plate, and each organic light-emitting units can be with
Lighted simultaneously to upper substrate and infrabasal plate, the position that upper substrate corresponds to even number luminescent material sets reflector layer and black matrix, is used for
Even number luminescent material is reflected to the light that upper substrate is sent and projected from infrabasal plate, infrabasal plate corresponds to the position of odd number luminescent material
Reflector layer and black matrix are provided with, is projected for the light reflection for sending odd number luminescent material to infrabasal plate and from upper substrate.Together
When, the position that upper substrate corresponds to odd number luminescent material is provided with filter, so that the white light for passing through the filter is in and filter
The corresponding color of luminescent material, the position that infrabasal plate corresponds to even number luminescent material are provided with filter, so as to pass through the optical filtering material
The white light of material is in color corresponding with filter.
In above-mentioned technology, after the white light that luminous organic material is sent is by filter, only with filter color
Identical light by, the light of other colors can be filtered out, and cause emitting brightness relatively low, for the light utilization efficiency that light source is sent compared with
It is low.
The content of the invention
The technical problems to be solved by the invention are to improve the utilization rate to be lighted for organic light-emitting units.
For this purpose, the present invention proposes a kind of display panel, including：Upper substrate and infrabasal plate, and be arranged on described
Multiple first luminescence units and multiple second luminescence units between upper substrate and infrabasal plate, it is luminous with first on upper substrate
Unit is correspondingly arranged on the first reflecting unit, and the second reflecting unit is correspondingly arranged on the second luminescence unit under infrabasal plate,
Also include：
Multiple first light excite unit, are arranged between the upper substrate and first reflecting unit, and be arranged on
Between the infrabasal plate and second reflecting unit.
Preferably, in addition to：
The first filter unit corresponding with first luminescence unit is arranged under the infrabasal plate, is arranged on described
The second filter unit corresponding with second luminescence unit on substrate,
Wherein, the first light being arranged between the upper substrate and the reflecting unit excites unit, is sent after being excited
Light color it is identical with the first filter unit color corresponding to corresponding first luminescence unit,
The first light being arranged between the infrabasal plate and the luminescent layer excites unit, the face of the light sent after being excited
Color is identical with the second filter unit color corresponding to corresponding second luminescence unit.
Preferably, between the first filter unit and infrabasal plate, and also set up between the second filter unit and upper substrate
There is the second light to excite unit.
Preferably, the second light being arranged between the infrabasal plate and first filter unit excites unit, is excited
It is identical with corresponding first filter unit color that the color of light is sent afterwards,
The second light being arranged between the upper substrate and second filter unit excites unit, and light is sent after being excited
Color it is identical with corresponding second filter unit color.
Preferably, first light excites unit and the second light to excite unit to include fluorescent material and/or quanta point material.
Preferably, first luminescence unit and second luminescence unit are staggered in the upper substrate and infrabasal plate
Between.
Preferably, the first adjacent luminescence unit and the second luminescence unit are at a distance of pre-determined distance.
The invention also provides a kind of display device, including above-mentioned display panel.
The invention also provides a kind of preparation method for making above-mentioned display panel, including：
Multiple first luminescence units and multiple second luminescence units are formed on infrabasal plate, in multiple first luminescence units
Upper substrate is set with multiple second luminescence units；
The position corresponding with first luminescence unit on the upper substrate, and under the infrabasal plate with it is described
Position corresponding to second luminescence unit, form the first light and excite unit；
Excited in the first light corresponding to the first luminescence unit and the first reflecting unit is formed on unit, in the second luminescence unit
Corresponding second light, which excites, forms the second reflecting unit on unit.
Preferably, in addition to：
Position corresponding with first luminescence unit forms the first filter unit under the infrabasal plate, on described
Position corresponding with second luminescence unit forms the second filter unit on substrate,
Wherein, the first light formed between the upper substrate and the reflecting unit excites unit, is sent after being excited
Light color it is identical with the first filter unit color corresponding to corresponding first luminescence unit,
The first light formed between the infrabasal plate and the luminescent layer excites unit, the face of the light sent after being excited
Color is identical with the second filter unit color corresponding to corresponding second luminescence unit.
Preferably, also include before first filter unit and the second filter unit is formed：
The position corresponding with first luminescence unit under the infrabasal plate, and on the upper substrate with it is described
Position corresponding to second luminescence unit, form the second light and excite unit,
Wherein, the second light that first filter unit is formed under the infrabasal plate is excited below unit, and described the
The second light that two filter units are formed on the upper substrate is excited above single tube.
According to above-mentioned technical proposal, by setting the first light to excite unit between substrate and reflecting unit, can cause
Luminescence unit, in directive reflecting unit, first passes through the first light and excites unit to the white light that substrate is launched.Frequency is higher in white light
Light the first light can be excited to excite unit to send the relatively low light of frequency, by reflecting unit reflection from opposite side substrate project,
And light excites unit to be excited sent light when exciting filter unit corresponding to unit by the first light, lead to relative to white light
The light quantity crossed is more, so as to the brightness that partly compensate for being corresponded to filter unit by the first luminescence unit and being filtered out light, so as to improve
The luminosity of double-side display panel.
Brief description of the drawings
The features and advantages of the present invention can be more clearly understood by reference to accompanying drawing, accompanying drawing is schematically without that should manage
Solve to carry out any restrictions to the present invention, in the accompanying drawings：
Fig. 1 shows the structural representation of display panel in the prior art；
Fig. 2 shows the structural representation of display panel according to an embodiment of the invention；
Fig. 3 shows the structural representation of the display panel according to another embodiment of the invention；
Fig. 4 shows the schematic flow diagram of display panel preparation method according to an embodiment of the invention；
Fig. 5 to Fig. 8 shows the particular flow sheet of display panel preparation method according to an embodiment of the invention；
Drawing reference numeral explanation：
The luminescence units of 1- first；The luminescence units of 2- second；10- infrabasal plates；The reflecting units of 11- first；The light of 12- first excites
Unit；The filter units of 13- first；20- upper substrates；The reflecting units of 21- second；The light of 22- second excites unit；23- second filters
Unit.
Embodiment
It is below in conjunction with the accompanying drawings and specific real in order to be more clearly understood that the above objects, features and advantages of the present invention
Mode is applied the present invention is further described in detail.It should be noted that in the case where not conflicting, the implementation of the application
Feature in example and embodiment can be mutually combined.
Many details are elaborated in the following description to facilitate a thorough understanding of the present invention, still, the present invention may be used also
To be different from other modes described here using other to implement, therefore, protection scope of the present invention is not by described below
Specific embodiment limitation.
As shown in Fig. 2 display panel according to an embodiment of the invention includes：Upper substrate 20 and infrabasal plate 10, and
Multiple first luminescence units 1 and multiple second luminescence units 2 being arranged between upper substrate 20 and infrabasal plate 10, in upper substrate 20
On with the first luminescence unit 1 be correspondingly arranged on the first reflecting unit 11, it is corresponding with the second luminescence unit 2 under infrabasal plate 10
The second reflecting unit 21 is provided with, in addition to：
Multiple first light excite unit 12, are arranged between the reflecting unit 11 of upper substrate 20 and first, and be arranged on down
Between the reflecting unit 21 of substrate 10 and second.
The first luminescence unit 1 and the second luminescence unit 2 in the present embodiment can be luminous organic material, each luminous single
Member can be simultaneously luminous to upper substrate 20 and infrabasal plate 10.
For the first luminescence unit 1, by setting the first light to swash between the reflecting unit 11 of upper substrate 20 and first
Bill member 12, the first luminescence unit 1 can be caused to the white light that upper substrate 20 is sent during the first reflecting unit of directive 11,
First pass through the first light and excite unit 12.
The higher light of frequency can excite the first light to excite unit 12 to send the relatively low light of frequency, such as the first light in white light
It is red quantum dot material to excite unit 12, then blue light and/or green glow in white light can excite the first light to excite unit 12
Feux rouges is sent, feux rouges reflects by the first reflecting unit 11 to be projected from infrabasal plate 10, and the correspondence of unit 12 is being excited by the first light
The first filter unit 13 when, such as the first filter unit 13 is Red lightscreening plate, then feux rouges passes through first relative to white light
The light quantity of filter unit 13 is more, so as to partially compensate for that the brightness of light is filtered out by the first filter unit 13.For the second hair
Light unit is similarly.So as to improve the luminosity of double-side display panel, as the timing of display panel output brightness one, the present invention
The power consumption of display panel can be reduced.
Furthermore it is also possible to black matrix is set in the outside of each reflecting unit, to ensure the reflecting effect of reflecting unit.
Preferably, in addition to：
Be arranged under infrabasal plate 10 with 1 corresponding first filter unit 13 of the first luminescence unit, be arranged on upper substrate 20
On with 2 corresponding second filter unit 23 of the second luminescence unit,
Wherein, the first light being arranged between the reflecting unit 21 of upper substrate 20 and second excites unit 12, is sent out after being excited
The color of the light gone out is identical with the color of the first filter unit 13 corresponding to corresponding first luminescence unit 1,
The first light being arranged between the reflecting unit 11 of infrabasal plate 10 and first excites unit 12, the light sent after being excited
Color it is identical with the color of the second filter unit 23 corresponding to corresponding second luminescence unit 2.
The present embodiment can ensure that the first light excites unit 12 to send the color of light and corresponding filter unit after being excited
Color is identical, so as to which the light sent after being excited reflects by reflecting unit, and from corresponding filter unit project when, Bu Huijin
One step is filtered out by filter unit, ensure that and sends making full use of for light for luminescence unit.
Such as some first luminescence unit 12 first filter unit 13 corresponding under infrabasal plate 10 is red, then white
Green light and/or blue light in light can excite first light to excite unit 12 to glow, and the feux rouges passes through the first reflective list
The reflection of member 11, can be completely by red filter unit 13, so as to ensure for blue light in white light after the injection of infrabasal plate 10
With making full use of for green light.
As shown in Figure 2, it is preferable that between the first filter unit 13 and infrabasal plate 10, and the He of the second filter unit 23
The second light is additionally provided between upper substrate 20 and excites unit 22.
For the first luminescence unit, by setting the second light to excite unit between infrabasal plate 10 and filter unit
22, the first luminescence unit 12 can be caused before by the first filter unit 13, to be first passed through to the white light at the hair of infrabasal plate 10
Second light excites unit 22.
The higher light of frequency can excite the second light to excite unit 22 to send the relatively low light of frequency, such as the first filter in white light
Light unit 13 is green color filter, and it is green quanta point material that the second light, which excites unit 22, then the blue light in white light can swash
Sending out the second light excites unit 22 to send green glow, when green glow passes through the first filter unit 13, then green glow passes through relative to white light
The light quantity of one filter unit 13 is more, so as to partially compensate for that the brightness of light is filtered out by the first filter unit 13.For second
Luminescence unit is similarly.So as to improve the luminosity of double-side display panel, when the timing of display panel output brightness one, this hair
The bright power consumption that can reduce display panel.
Preferably, the second light being arranged between the filter unit 13 of infrabasal plate 10 and first excites unit 22, after being excited
It is identical with the corresponding color of first filter unit 13 to send the color of light,
The second light being arranged between the filter unit 23 of upper substrate 20 and second excites unit 22, and light is sent after being excited
Color is identical with the corresponding color of second filter unit 23.
The present embodiment can ensure that the second light excites unit 22 to send the color of light and corresponding filter unit after being excited
Color is identical, and the light so as to send after being excited will not be filtered out further when being projected from corresponding filter unit by filter unit,
It ensure that and send making full use of for light for luminescence unit.
Such as some second luminescence unit 22 first filter unit 13 corresponding under infrabasal plate 10 is green, then white
Blue light in light can excite second light to excite the green light of unit 22, and the green glow is by that can pass through red filter list completely
Member 13, so as to ensure to make full use of for blue light in white light.
Preferably, the first light excites the light of unit 13 and second to excite unit 22 to include fluorescent material and/or quanta point material.
The density of fluorescent material and/or quanta point material can be configured as needed.
Preferably, the first luminescence unit 1 and the second luminescence unit 2 are staggered between upper substrate 20 and infrabasal plate 10.
Because the exit positions of the first luminescence unit 1 are in infrabasal plate 10, the exit positions of the second luminescence unit 2 are in upper substrate
20, the first luminescence unit 1 and the second luminescence unit 2 are staggered, the upper and lower both sides uniform in light emission of display panel can be caused.
Preferably, the first adjacent luminescence unit 1 and the second luminescence unit 2 are at a distance of pre-determined distance.
The present embodiment can avoid exit positions corresponding to the light that the first luminescence unit 1 is sent from the second luminescence unit 2 from penetrating
Go out, and avoid exit positions corresponding to the light that the second luminescence unit 2 is sent from the first luminescence unit 1 from projecting, to ensure to show
During light leak will not occur.
The invention also provides a kind of display device, including above-mentioned display panel.
It should be noted that the display device in the present embodiment can be：Electronic Paper, mobile phone, tablet personal computer, television set,
Any product or part with display function such as notebook computer, DPF, navigator.
As shown in figure 4, the invention also provides a kind of preparation method for making above-mentioned display panel, including：
S1, multiple first luminescence units 1 and multiple second luminescence units 2 are formed on infrabasal plate 10, as described in Figure 5,
Upper substrate 20 is set on multiple first luminescence units 1 and multiple second luminescence units 2, as shown in Figure 6；
S2, on upper substrate 20 with 1 corresponding position of the first luminescence unit, and under infrabasal plate 10 it is luminous with second
Position corresponding to unit 2, form the first light and excite unit 12, as shown in Figure 7；
S3, excited in the first light corresponding to the first luminescence unit and the first reflecting unit is formed on unit, it is luminous second
Second light corresponding to unit, which excites, forms the second reflecting unit on unit, as shown in Figure 8.
Preferably, in addition to：
S4, position corresponding with the first luminescence unit forms the first filter unit under infrabasal plate, on upper substrate
Position corresponding with the second luminescence unit forms the second filter unit,
Wherein, the first light formed between upper substrate and reflecting unit excites unit, the face of the light sent after being excited
Color is identical with the first filter unit color corresponding to corresponding first luminescence unit,
Form the first light between infrabasal plate and luminescent layer and excite unit, the color of the light sent after being excited with it is corresponding
The second luminescence unit corresponding to the second filter unit color it is identical, so as to form display panel as shown in Figure 2.
Preferably, also include before the first filter unit and the second filter unit is formed：
The position corresponding with the first luminescence unit under infrabasal plate, and on upper substrate it is corresponding with the second luminescence unit
Position, formed the second light excite unit,
Wherein, the second light that the first filter unit is formed under infrabasal plate is excited below unit, the second filter unit shape
Excited into the second light on upper substrate above single tube.
Wherein, formation process for example may include used by above-mentioned flow：The structures such as film-forming process and etching such as deposition, sputtering
Figure technique.
Technical scheme is described in detail above in association with accompanying drawing, it is contemplated that in the prior art, double face display panel
After the white light that middle luminous organic material is sent is by filter, only pass through other face with filter color identical light
The light of color can be filtered out, and cause emitting brightness relatively low, and the light utilization efficiency sent for light source is relatively low.Technique according to the invention side
Case, by setting the first light to excite unit between substrate and reflecting unit, it is white can make it that luminescence unit is launched to substrate
Light first passes through the first light and excites unit in directive reflecting unit.The higher light of frequency can excite the first light to excite in white light
Unit sends the relatively low light of frequency, is projected by reflecting unit reflection from opposite side substrate, and light excites unit to be excited to be sent out
For the light gone out when exciting filter unit corresponding to unit by the first light, the light quantity passed through relative to white light is more, so as to part
The brightness for being corresponded to filter unit by the first luminescence unit and being filtered out light is compensate for, so as to improve the luminous of double-side display panel
Brightness.
It is pointed out that in the accompanying drawings, for the clear size that may be exaggerated layer and region of diagram.And can be with
Understand, when element or layer be referred to as another element or layer " on " when, it can be directly in other elements, or there may be
Middle layer.Additionally, it is appreciated that when element or layer be referred to as another element or layer " under " when, it can be directly at other
Under element, or there may be the layer or element of more than one centre.In addition, it is to be appreciated that when layer or element are referred to as
Two layers or two elements " between " when, layer that it can be only between two layers or two elements, or can also have one
Intermediate layer above or element.Similar reference marker indicates similar element in the whole text.
In the present invention, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint are relative
Importance.Term " multiple " refers to two or more, is limited unless otherwise clear and definite.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (11)
1. a kind of display panel, including：Upper substrate and infrabasal plate, and be arranged on multiple between the upper substrate and infrabasal plate
First luminescence unit and multiple second luminescence units, are correspondingly arranged on the first reflective list on upper substrate with the first luminescence unit
Member, the second reflecting unit is correspondingly arranged on the second luminescence unit under infrabasal plate,
Multiple first light excite unit, are arranged between the upper substrate and first reflecting unit, and are arranged on described
Between infrabasal plate and second reflecting unit, it is characterised in that also include：
The first filter unit corresponding with first luminescence unit is arranged under the infrabasal plate, is arranged on the upper substrate
On the second filter unit corresponding with second luminescence unit.
2. display panel according to claim 1, it is characterised in that also include：
The first light being arranged between the upper substrate and the reflecting unit excites unit, the color of the light sent after being excited
With corresponding first luminescence unit corresponding to the first filter unit color it is identical,
The first light being arranged between the infrabasal plate and the luminescent layer excites unit, the color of the light sent after being excited with
The second filter unit color is identical corresponding to corresponding second luminescence unit.
3. display panel according to claim 2, it is characterised in that between the first filter unit and infrabasal plate, and
The second light is additionally provided between second filter unit and upper substrate and excites unit.
4. display panel according to claim 3, it is characterised in that be arranged on the infrabasal plate and the described first optical filtering is single
The second light between member excites unit, and it is identical with corresponding first filter unit color to send the color of light after being excited,
The second light being arranged between the upper substrate and second filter unit excites unit, and the face of light is sent after being excited
Color is identical with corresponding second filter unit color.
5. display panel according to claim 3, it is characterised in that first light excites unit and the second light to excite list
Member includes fluorescent material and/or quanta point material.
6. display panel according to any one of claim 1 to 5, it is characterised in that first luminescence unit and institute
The second luminescence unit is stated to be staggered between the upper substrate and infrabasal plate.
7. display panel according to claim 6, it is characterised in that adjacent the first luminescence unit and the second luminescence unit
At a distance of pre-determined distance.
8. a kind of display device, it is characterised in that including the display panel any one of claim 1 to 7.
A kind of 9. preparation method for making display panel any one of claim 1 to 7, it is characterised in that including：
Multiple first luminescence units and multiple second luminescence units are formed on infrabasal plate, in multiple first luminescence units and more
Upper substrate is set on individual second luminescence unit；
The position corresponding with first luminescence unit on the upper substrate, and with described second under the infrabasal plate
Position corresponding to luminescence unit, form the first light and excite unit；
Excited in the first light corresponding to the first luminescence unit and the first reflecting unit is formed on unit, it is corresponding in the second luminescence unit
The second light excite the second reflecting unit formed on unit.
10. preparation method according to claim 9, it is characterised in that also include：
Position corresponding with first luminescence unit forms the first filter unit under the infrabasal plate, in the upper substrate
On corresponding with second luminescence unit position form the second filter unit,
Wherein, the first light formed between the upper substrate and the reflecting unit excites unit, the light sent after being excited
Color it is identical with the first filter unit color corresponding to corresponding first luminescence unit,
Form the first light between the infrabasal plate and the luminescent layer and excite unit, the color of the light sent after being excited with
The second filter unit color is identical corresponding to corresponding second luminescence unit.
11. preparation method according to claim 10, it is characterised in that forming first filter unit and the second filter
Also include before light unit：
The position corresponding with first luminescence unit under the infrabasal plate, and with described second on the upper substrate
Position corresponding to luminescence unit, form the second light and excite unit,
Wherein, the second light that first filter unit is formed under the infrabasal plate is excited below unit, second filter
The second light that light unit is formed on the upper substrate is excited above single tube.
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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 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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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| US9129552B2 (en) * | 2002-05-08 | 2015-09-08 | Zeolux Corporation | Display devices using feedback enhanced light emitting diode |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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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