CN209729910U - A kind of OLED type display panel motherboard - Google Patents
A kind of OLED type display panel motherboard Download PDFInfo
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- CN209729910U CN209729910U CN201920722249.1U CN201920722249U CN209729910U CN 209729910 U CN209729910 U CN 209729910U CN 201920722249 U CN201920722249 U CN 201920722249U CN 209729910 U CN209729910 U CN 209729910U
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- oled
- display panel
- detection block
- motherboard
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Abstract
The utility model discloses a kind of OLED type display panel motherboards comprising spaced multiple OLED display panels, the OLED display panel include substrate and cover board, and white light OLED device is provided on the substrate；White light OLED device includes luminescent layer, and luminescent layer is in series by blue light-emitting and orange light luminescent layer；Detection block is provided in the region of one of OLED display panel, and the pixel intensity in detection block reaches the pixel intensity of OLED mould group, chromaticity coordinates value variable quantity is (0.01 ± 0.01,0.01 ± 0.01) between detection block and OLED mould group.Pixel intensity in the utility model in detection block can achieve the pixel intensity of OLED mould group, realize high brightness, can evade because luminance difference it is big caused by motherboard to OLED mould group color drift, chromaticity coordinates value variable quantity is (± 0.01 between detection block and OLED mould group simultaneously, ± 0.01), it is not necessary that motherboard is cut into single OLED display panel, binding driving IC and FPC, so that it may conveniently and efficiently determine whether the white light of OLED motherboard reaches requirement, adjust OLED motherboard in time.
Description
Technical field
The utility model relates to field of display technology more particularly to a kind of OLED type display panel motherboards.
Background technique
Because having, all solid state active shines OLED display technology, good temp characteristic, power consumption is smaller, response is fast, bendable is tortuous
The advantages that folded, ultra-thin, and it is referred to as third generation illusion display technology.
As the performance of monochromatic OLED graduallys mature, white light OLED is as a kind of novel solid state light emitter, with incandescent lamp, halogen
Plain lamp, fluorescent lamp compare, simple with structure, small in size, light-weight, at low cost, and technique is uncomplicated, are easily advised greatly
Mould, large area production, have the characteristics that ultra-thin, large area, easy to carry, FPD, can be used as area source, in addition can also be with
As the backlight of display, the display screen of portable equipment, white light OLED has attracted people more and more to pay close attention to.
For white light OLED, white light is usually (blue by three layers of luminescent layer (feux rouges+green light+blue light), or the double-deck luminescent layer
Light+green-yellow light, blue light+yellow light or blue light+orange-colored light) synthesis, or each light-emitting guest is entrained in same main light emission material
Constitute a single white-light emitting layer.In general, the white light color saturation synthesized by three layers of luminescent layer is good, colour rendering refers to
Number is high, but corresponding OLED device structure and preparation process are more complicated.The white light parts being made of single luminescent layer, by
The efficiency that influences each other between each dopant is lower, and the control of doping concentration is poor, is unfavorable for promoting and applying.Compared to it
Under, the advantages of white light OLED of double-layer structure is with the two.Current most economical most common white light OLED structure, is by orange
Material layer and blue material layer connect and shine respectively, then compound generation white light.When driving current changes from low to high, due to
The property and location of orange material and blue material are different, cause it also inconsistent to the response of electric current, lead to two
The luminous intensity of material and asynchronous increase are planted, and then compound white light color is caused to change.Specifically, low current drives
Under corresponding the case where being OLED motherboard；Due to safe voltage and the limitation of line current is walked, the brightness of OLED motherboard is generally not
Sufficient 1000nits.After OLED motherboard is cut into single OLED display panel, binding IC and FPC becomes OLED mould group, OLED mould group
For pixel under high current driving, brightness is up to tens of thousands of nits.Tens or several hundred nits brightness of OLED motherboard are to the tens of thousands of of mould group
The change of nits can cause color change (i.e. color drift).
Utility model content
In order to solve above-mentioned the deficiencies in the prior art, the utility model provides a kind of OLED type display panel motherboard.
Technical problem to be solved in the utility model is achieved by the following technical programs:
A kind of OLED type display panel motherboard, the OLED type display panel motherboard include spaced multiple OLED
Display panel, the OLED display panel include substrate and cover board, and white light OLED device, the cover board are provided on the substrate
Lid closes on the white light OLED device on the substrate, is additionally provided with encapsulating structure between the substrate and the cover board；
The white light OLED device includes luminescent layer, and the luminescent layer is in series by blue light-emitting and orange light luminescent layer；Wherein
The detection block being made of several to dozens of pixel close-packed arrays, and the inspection are provided in the region of one OLED display panel
The pixel intensity surveyed in block reaches the pixel intensity of OLED mould group, and chromaticity coordinates value changes between the detection block and OLED mould group
Amount is (0.01 ± 0.01,0.01 ± 0.01).
Further, cutting line is provided between the adjacent OLED display panel, the OLED type display panel is female
Plate is used to form single OLED display panel along the cutting wire cutting；The OLED mould group is in single OLED display panel
It is formed after binding driving IC and FPC.
Further, the shape of the detection block is square or round.
Further, the number of pixel is N in the detection block, and wherein N is the positive integer of 1-50.
Further, the detection block is driven using electric current, and the current density range that electric current is inputted when driving is
0.5mA/cm2~5000mA/cm2。
Further, the quantity of detection block is one in same OLED display panel.
Further, the quantity of detection block is two in same OLED display panel, and two detection blocks are defeated by same circuit
Enter voltage, and use Parallel Design between two detection blocks, two detection blocks are controlled by different SEG and COM respectively.
Further, the white light OLED device includes the anode, hole injection layer, hole transport being cascading
Layer, luminescent layer, electron transfer layer, electron injecting layer, cathode.
The utility model has the following beneficial effects:
It is in the utility model, the OLED display panel design one in OLED type display panel motherboard is several to tens
The detection block that a pixel is lighted, the pixel intensity in detection block can achieve or close to OLED mould group pixel intensity, realize high
Brightness, can evade because luminance difference it is big caused by color drift of the motherboard to OLED mould group, while detection block and OLED mould group
Between chromaticity coordinates value variable quantity be (0.01 ± 0.01,0.01 ± 0.01), shown it is not necessary that OLED motherboard is cut into single OLED
Show panel, binding driving IC and FPC, so that it may conveniently and efficiently determine whether the white light of OLED motherboard reaches requirement, adjust in time
Whole OLED motherboard, prevents colour cast, is conducive to the color control of OLED, improves monitoring capacity and process capability.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
In figure: 1, substrate, 2, cover board, 3, white light OLED device, 4, encapsulating structure.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Usually here in attached drawing description and
The component of the utility model embodiment shown can be arranged and be designed with a variety of different configurations.
Therefore, requirement is not intended to limit to the detailed description of the embodiments of the present invention provided in the accompanying drawings below
The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model
Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all
Belong to the range of the utility model protection.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
In the description of the present invention, it should be noted that the orientation of the instructions such as term " on ", "lower", "inner", "outside"
Or positional relationship be based on the orientation or positional relationship shown in the drawings or the utility model product using when usually put
Orientation or positional relationship is merely for convenience of describing the present invention and simplifying the description, rather than the dress of indication or suggestion meaning
It sets or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to the utility model
Limitation.In addition, term " first ", " second ", " third " etc. are only used for distinguishing description, it is not understood to indicate or imply phase
To importance.
In the description of the present invention, it should also be noted that, unless otherwise clearly defined and limited, term " is set
Set ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in utility model.
A kind of OLED type display panel motherboard, the OLED type display panel motherboard include spaced multiple OLED
Display panel, cutting line is provided between the adjacent OLED display panel, and the OLED type display panel motherboard is used for edge
The cutting wire cutting forms single OLED display panel.
The OLED display panel includes substrate and cover board, and white light OLED device, the cover board are provided on the substrate
Lid closes on the white light OLED device on the substrate, is additionally provided with encapsulating structure between the substrate and the cover board；
The white light OLED device includes luminescent layer, and the luminescent layer is in series by blue light-emitting and orange light luminescent layer；It is described
Blue light-emitting and the photochromic of orange light luminescent layer sending are mixed to form white light.
The detection being made of several to dozens of pixel close-packed arrays is set in the region of one of OLED display panel
Block, and the pixel intensity in the detection block reaches the pixel intensity of OLED mould group, the secondary color of the detection block and OLED mould group
Coordinate value variable quantity is (0.01 ± 0.01,0.01 ± 0.01).
Detection block can make pixel intensity reach tens of thousands of since light-emitting area is small in electric current and all sufficiently small voltage
Nits, and the brightness of mould group OLED pixel is also tens of thousands of nits, this can guarantee OLED display panel to OLED mould group brightness phase
Together, thus it can solve color drift caused by luminance factor.
Wherein, the OLED mould group is to be formed after binding driving IC and FPC in single OLED display panel.
The shape of the detection block is determined according to the shape of detection device hot spot, as an example, can be square or circle
Shape.
The number of pixel is preferably N in the detection block, and wherein N is the positive integer of 1-50.
In the present invention, voltage or current density by improving input are that the pixel intensity being able to achieve in detection block reaches
The pixel intensity of OLED mould group.The detection block preferably uses electric current to drive, so that more preferable simulation OLED mould group drives situation.
Wherein, the current density range inputted when electric current drives is 0.5mA/cm2~5000mA/cm2。
It should be noted that detection block do not done in the position of OLED display panel it is specifically limited.
The quantity of detection block can be 1 or 2 in same OLED display panel, more preferably 2, dot matrix type be produced
Product, 2 detection blocks are not overlapped, to prevent because of the defective situation of pixel in some detection block.2 detection blocks can be by
Same circuit input voltage, but must Parallel Design.This 2 detection blocks are controlled by different SEG and COM respectively, to prevent electric current
It is excessive to burn out pixel.
In the present embodiment, when point of use evaporation source, OLED motherboard chromaticity coordinates value is in progressive variation from centre to edge, from
Edge OLED display panel is shown to the OLED for representing OLED motherboard chromaticity coordinates value central value is chosen between intermediate OLED display panel
Show panel.
It is not specific in the utility model to limit the specific method for testing the chromaticity coordinates (CIEx, CIEy) of the detection block,
Its method and principle are all that this technology personnel can be learnt by technical manual or be known by routine experiment method, herein no longer
It repeats.
The utility model is not necessarily to for OLED motherboard to be cut into single OLED display panel, binding driving IC and FPC, so that it may
Conveniently and efficiently to determine whether the white light of OLED motherboard reaches requirement, OLED motherboard is adjusted in time, prevents colour cast, is conducive to
The color of OLED is managed, and monitoring capacity and process capability are improved.
The white light OLED device include the anode being cascading, hole injection layer, hole transmission layer, luminescent layer,
Electron transfer layer, electron injecting layer, cathode.
The above-mentioned embodiments merely express the embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
Therefore it cannot be interpreted as that a limitation on the scope of the patent of the present invention, as long as using the form institute of equivalent substitution or equivalent transformation
The technical solution of acquisition, shall fall within the scope of the present invention.
Claims (7)
1. a kind of OLED type display panel motherboard, which is characterized in that the OLED type display panel motherboard includes being spaced from each other
Multiple OLED display panels, the OLED display panel includes substrate and cover board, and white light OLED device is provided on the substrate
Part, the cover plate lid are closed on the white light OLED device on the substrate, are also set up between the substrate and the cover board
There is encapsulating structure；The white light OLED device includes luminescent layer, and the luminescent layer is by blue light-emitting and orange light luminescent layer string
Connection is constituted；The detection being made of several to dozens of pixel close-packed arrays is provided in the region of one of OLED display panel
Block, and the pixel intensity in the detection block reaches the pixel intensity of OLED mould group, the secondary color of the detection block and OLED mould group
Coordinate value variable quantity is (0.01 ± 0.01,0.01 ± 0.01).
2. OLED type display panel motherboard as described in claim 1, which is characterized in that the adjacent OLED display panel it
Between be provided with cutting line, the OLED type display panel motherboard is used to form single OLED display surface along the cutting wire cutting
Plate；The OLED mould group is to be formed after binding driving IC and FPC in single OLED display panel.
3. OLED type display panel motherboard as described in claim 1, which is characterized in that the shape of the detection block is square
Or it is round.
4. OLED type display panel motherboard as described in claim 1, which is characterized in that the number of pixel is in the detection block
N, wherein N is the positive integer of 1-50.
5. OLED type display panel motherboard as described in claim 1, which is characterized in that the detection block is driven using electric current,
The current density range that electric current is inputted when driving is 0.5mA/cm2~5000mA/cm2。
6. OLED type display panel motherboard as described in claim 1, which is characterized in that detection block in same OLED display panel
Quantity be one.
7. OLED type display panel motherboard as described in claim 1, which is characterized in that detection block in same OLED display panel
Quantity be two, two detection blocks by same circuit input voltage, and between two detection blocks use Parallel Design, two inspection
Block is surveyed to be controlled by different SEG and COM respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920722249.1U CN209729910U (en) | 2019-05-20 | 2019-05-20 | A kind of OLED type display panel motherboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920722249.1U CN209729910U (en) | 2019-05-20 | 2019-05-20 | A kind of OLED type display panel motherboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209729910U true CN209729910U (en) | 2019-12-03 |
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ID=68674620
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920722249.1U Active CN209729910U (en) | 2019-05-20 | 2019-05-20 | A kind of OLED type display panel motherboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209729910U (en) |
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2019
- 2019-05-20 CN CN201920722249.1U patent/CN209729910U/en active Active
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