CN106935612A - OLED pixel structure, organic light emitting display and its display methods - Google Patents
OLED pixel structure, organic light emitting display and its display methods Download PDFInfo
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- CN106935612A CN106935612A CN201511019029.5A CN201511019029A CN106935612A CN 106935612 A CN106935612 A CN 106935612A CN 201511019029 A CN201511019029 A CN 201511019029A CN 106935612 A CN106935612 A CN 106935612A
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/30—Devices specially adapted for multicolour light emission
- H10K59/35—Devices specially adapted for multicolour light emission comprising red-green-blue [RGB] subpixels
- H10K59/353—Devices specially adapted for multicolour light emission comprising red-green-blue [RGB] subpixels characterised by the geometrical arrangement of the RGB subpixels
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/10—OLED displays
- H10K59/12—Active-matrix OLED [AMOLED] displays
- H10K59/121—Active-matrix OLED [AMOLED] displays characterised by the geometry or disposition of pixel elements
Abstract
The invention provides a kind of OLED pixel structure, organic light emitting display and its display methods, wherein, the OLED pixel structure includes：The pixel cell that multiple is arranged in specular, each pixel cell includes multiple sub-pixels, and at least two sub-pixels of same color in the multiple sub-pixel are electrically connected between the sub-pixel of described two same colors.In the OLED pixel structure and the display methods of organic light emitting display that the present invention is provided, each pixel cell of fixed display area is respectively provided with same color and the sub-pixel being electrically connected with, it is used to reduce pixel current, extend the service life of the pixel cell, so as to solve the display effect decline problem that organic light emitting display brings by the fixed display of long-time.
Description
Technical field
The present invention relates to technical field of flat panel display, more particularly to a kind of OLED pixel structure, organic light emission
Display device and its display methods.
Background technology
Organic light emitting display (OLED) is a kind of emerging flat-panel display device, lighted with active,
Contrast is high, fast response time, it is frivolous many advantages, such as, be described as that liquid crystal display (LCD) can be replaced
Display device of new generation.At present, organic light emitting display has been widely used for mobile phone, TV, electricity
In the various high-performance display fields such as brain.
However, being needed for a long time in specific static in some specific application scenario organic light emitting displays
Picture.The specific still frame includes fixed display area and on-fixed viewing area, fixed display area
OLED pixel is due to persistently lighting, therefore display performance attenuation ratio is more serious.With on-fixed viewing area
OLED pixel is compared, and the luminous efficiency of the OLED pixel of fixed display area is decreased obviously.It is aobvious when needing
When showing other images, because the OLED pixel luminous efficiency of whole display screen is inconsistent, cause to shield the whole of body
The reduction of body display effect.
Therefore, industry generally makes organic light emitting display using high performance OLED material so that should
Each OLED pixel of organic light emitting display, still has excellent display performance after long-time shows.
However, high performance OLED material is very expensive, using lighting the limited on-fixed viewing area of number of times
Domain seems and waste very much, causes the material cost of organic light emitting display too high.
Base this, how to solve existing organic light emitting display causes to use due to the fixed display of long-time
The problem of short life, into those skilled in the art's technical problem urgently to be resolved hurrily.
The content of the invention
It is an object of the invention to provide a kind of OLED pixel structure, organic light emitting display and its display
Method, is used with solving existing organic light emitting display in fixed display or fixed display for a long time
The problem of short life.
To solve the above problems, the present invention provides a kind of OLED pixel structure, the OLED pixel structure
Including：The pixel cell that multiple is arranged in specular, each pixel cell includes multiple sub-pixels, institute
State at least two sub-pixels of same color in multiple sub-pixels, the sub-pixel of described two same colors it
Between be electrically connected with.
Optionally, in described OLED pixel structure, each pixel cell include the first sub-pixel,
Second sub-pixel, the 3rd sub-pixel and the 4th sub-pixel；
The color of first sub-pixel, the second sub-pixel and the 3rd sub-pixel is different, and respectively red
One kind in sub-pixels, green sub-pixels and blue subpixels；
4th sub-pixel is red sub-pixel, green sub-pixels or blue subpixels.
Optionally, in described OLED pixel structure, first sub-pixel, the second sub-pixel,
Three sub-pixels and the 4th sub-pixel make pixel openings by same mask plate, first sub-pixel, the
The shape and area all same of two sub-pixels, the 3rd sub-pixel and the 4th sub-pixel.
Accordingly, present invention also offers a kind of organic light emitting display, the organic light emitting display
Including fixed display area and on-fixed viewing area, the fixed display area uses OLED as described above
Dot structure.
Optionally, in described organic light emitting display, the on-fixed viewing area and the fixation
The dot structure that viewing area uses is identical or the on-fixed viewing area is adopted with the fixed display area
It is different that dot structure only has a color for sub-pixel.
Optionally, in described organic light emitting display, each pixel of the on-fixed viewing area
Unit includes the first sub-pixel, the second sub-pixel, the 3rd sub-pixel and the 5th sub-pixel；
The color of first sub-pixel, the second sub-pixel and the 3rd sub-pixel is different, and respectively red
One kind in sub-pixels, green sub-pixels and blue subpixels；
5th sub-pixel is yellow sub-pixel or white sub-pixels.
Accordingly, present invention also offers a kind of display methods of organic light emitting display, organic hair
The display methods of light display device includes：
There is provided an organic light emitting display, the organic light emitting display includes fixed display area and non-
Each pixel cell of fixed display area, the fixed display area and on-fixed viewing area includes many
Individual sub-pixel, at least two sub-pixels of same color in each pixel cell of the fixed display area,
It is electrically connected between the sub-pixel of described two same colors；And
Each sub-pixel in the fixed display area is lighted, while being lighted according to display brightness described non-solid
Determine the sub-pixel of viewing area.
Optionally, in the display methods of described organic light emitting display, the on-fixed viewing area
It refer to pixel cell lighting time short or light the limited region of number of times, the fixed display area refers to pixel
Unit is in the region of illuminating state for a long time.
Optionally, in the display methods of described organic light emitting display, the on-fixed viewing area
Each pixel cell at least two sub-pixels of same color, the sub-pixel of described two same colors
Alternating is lighted.
Optionally, in the display methods of described organic light emitting display, the on-fixed viewing area
Each pixel cell at least two sub-pixels of same color, the sub-pixel of described two same colors
Only light one of them.
In the OLED pixel structure, organic light emitting display and its display methods that the present invention is provided, Gu
Each pixel cell for determining viewing area is respectively provided with same color and the sub-pixel being electrically connected with, and is used to reduce picture
Plain electric current, extends the service life of the pixel cell, so as to solve organic light emitting display because for a long time
The display effect fixed display and bring declines problem.
Brief description of the drawings
Fig. 1 is the structural representation of the OLED pixel structure of the embodiment of the present invention one；
Fig. 2 is the structural representation of the OLED pixel structure of other embodiments of the invention；
Fig. 3 is the structural representation of the organic light emitting display of the embodiment of the present invention one；
Fig. 4 is the structural representation of the organic light emitting display of the embodiment of the present invention two.
Specific embodiment
Below in conjunction with the drawings and specific embodiments to a kind of OLED pixel structure proposed by the present invention, You Jifa
Light display device and its display methods are described in further detail.According to following explanation and claims, this
The advantages and features of invention will become apparent from.It should be noted that, accompanying drawing makes in the form of simplifying very much and
With non-accurately ratio, only it is used to conveniently, lucidly aid in illustrating the purpose of the embodiment of the present invention.
【Embodiment one】
Fig. 1 is refer to, it is the structural representation of the OLED pixel structure of the embodiment of the present invention one.Such as Fig. 1
Shown, the OLED pixel structure 100 includes：The pixel cell 110 that multiple is arranged in specular, often
Individual pixel cell 110 includes multiple sub-pixels, at least two same colors in the multiple sub-pixel
Sub-pixel, is electrically connected between the sub-pixel of described two same colors.
Specifically, each pixel cell 110 can include four sub-pixels, six sub-pixels, eight sub- pictures
Element, nine sub-pixels it is even more many, have in each pixel cell 110 two, three, four it is even more many
Sub-pixel be electrically connected with and color is identical.As shown in figure 1, including 4 sons with each pixel cell 110
Pixel, as a example by having two sub-pixels to have a same color, each pixel cell 110 includes the first sub-pixel
111st, the second sub-pixel 112, the 3rd sub-pixel 113 and the 4th sub-pixel 114, first sub-pixel 111,
Second sub-pixel 112, the 3rd sub-pixel 113 and the 4th sub-pixel 114 form 2 × 2 matrixes.Wherein, institute
The color for stating the first sub-pixel 111, the second sub-pixel 112 and the 3rd sub-pixel 113 is different, and respectively
It is the one kind in red sub-pixel, green sub-pixels and blue subpixels.4th sub-pixel 114 is red
Sub-pixels, green sub-pixels or blue subpixels, the 4th sub-pixel 114 pass through transparent conductive material
116 (such as ITO) realize being electrically connected with its second sub-pixel of color identical 112, the 4th sub- picture
Element 114 is lighted or extinguished simultaneously with the second sub-pixel 112.
In the OLED pixel structure 100, the adjacent pixel unit 110 on ranks direction is in mirror image pair
Claim arrangement.As shown in figure 1, with two in a line adjacent pixel cells 110 with its boundary line axisymmetricly,
In same row two adjacent pixel cells 110 with its boundary line axisymmetricly, i.e. the adjacent picture of any two
Plain unit 110 is distributed with the boundary line of adjoiner into axial symmetry, the adjacent pixel unit 110 on ranks direction
Arranged in specular.
In the present embodiment, the pixel cell 110, the first sub-pixel 111, the second sub-pixel the 112, the 3rd
The sub-pixel 114 of sub-pixel 113 and the 4th is rectangle, first sub-pixel 111, the second sub-pixel 112,
3rd sub-pixel 113 and the 4th sub-pixel 114 are respectively arranged on four angles of the pixel cell 110,
4th sub-pixel 114 is located at the pixel cell 110 with its second sub-pixel of color identical 112
On diagonal position, i.e. same diagonal.
In other embodiments of the invention, the position of the sub-pixel 114 of second sub-pixel 112 and the 4th
Can be in same a line or same row.Fig. 2 is refer to, it is the OLED pixel knot of other embodiments of the invention
The structural representation of structure.As shown in Fig. 2 including 4 sub-pixels with each pixel cell 110, there are two
Sub-pixel has as a example by same color, in the pixel cell 110, the first sub-pixel 111, the second sub- picture
Plain 112, the 3rd sub-pixel 113 and the 4th sub-pixel 114 form 2 × 2 matrixes, second sub-pixel 112
It is electrically connected with the 4th sub-pixel 114 and color is identical, the sub-pixel 114 of second sub-pixel 112 and the 4th
Positioned at same a line or same row, rather than on the diagonal of the pixel cell 110.
Preferably, first sub-pixel 111, the second sub-pixel 112, the 3rd sub-pixel 113 and the 4th son
The shape and elemental area all same of pixel 114.In this way, first sub-pixel 111, the second sub-pixel
112nd, the 3rd sub-pixel 113 and the 4th sub-pixel 114 can share same mask plate and make pixel openings.No
The sub-pixel of same color uses same mask (mask), can reduce manufacturing cost.
It should be noted that above-mentioned pixel cell 110, the first sub-pixel 111, the second sub-pixel 112,
The shape of three sub-pixels 113 and the 4th sub-pixel 114 is only for example, and non-limiting, those skilled in the art
Actual demand can be combined to the pixel cell 110, the first sub-pixel 111, the second sub-pixel the 112, the 3rd
The shape of the sub-pixel 114 of sub-pixel 113 and the 4th is configured.
In the present embodiment, the first sub-pixel 111 is red sub-pixel, and the second sub-pixel 112 is green sub- picture
Element, the 3rd sub-pixel 113 is blue subpixels.In other embodiments, first sub-pixel 111,
The coloured light of two sub-pixels 112 and the 3rd sub-pixel 113 can also be exchanged, and only need to meet following condition：
The color of the first sub-pixel 111, the second sub-pixel 112 and the 3rd sub-pixel 113 is different, and is respectively
One kind in red sub-pixel, green sub-pixels and blue subpixels.
When the pixel cell 110 is lighted, due to the second sub-pixel 112 and the color phase of the 4th sub-pixel 114
With and simultaneously light, in order to the sub-pixel with other different colours keeps same brightness, therefore flow through described the
The pixel current of two sub-pixels 112 and the 4th sub-pixel 114 halves.Thus, second sub-pixel 112
Decay with the display performance of the 4th sub-pixel 114 slow, extend service life.
Accordingly, present invention also offers a kind of organic light emitting display and its display methods.Refer to Fig. 3,
It is the structural representation of the organic light emitting display of the embodiment of the present invention one.As shown in figure 3, described have
The display methods of machine light-emitting display device includes：
Step one：An organic light emitting display 10 is provided, the organic light emitting display 10 includes fixing
Viewing area 12 and on-fixed viewing area 14, the fixed display area 12 and on-fixed viewing area 14
Each pixel cell include multiple sub-pixels, in each pixel cell of the fixed display area at least
There are two sub-pixels of same color, be electrically connected between the sub-pixel of described two same colors；
Step 2：Each sub-pixel in the fixed display area is lighted, while being lighted according to display brightness
The sub-pixel of the on-fixed viewing area.
Specifically, the organic light emitting display 10 includes fixed display area 12 and on-fixed viewing area
Domain 14, the fixed display area 12 refers to the pixel cell region in illuminating state for a long time, described non-
Fixed display area 14 refers to pixel cell lighting time short or light the limited region of number of times.
In the present embodiment, the fixed display area 12 and on-fixed viewing area 14 are using as described above
OLED pixel structure 100, i.e., the whole screen of described organic light emitting display 10 uses a kind of OLED
Dot structure.The situation of diagonal position, this area are arranged at such as the pixel that Fig. 3 illustrate only same color
Technical staff should be understood that in addition to diagonal position the sub-pixel of same color may be located on same a line
Or same row.
When the organic light emitting display 10 is lighted, the son of same color in the fixed display area 12
Pixel is lighted, and the sub-pixel of same color is alternately lighted or only lights it in the on-fixed viewing area 14
In one.In order to ensure the uniformity of brightness, the pixel current of the fixed display area 12 halves.Thus,
Extend the service life of the sub-pixel of the fixed display area 12 so that the fixed display area 12
Pixel cell 110 is basically identical with the luminous efficiency of the pixel cell 110 of the on-fixed viewing area 14.
Therefore, using OLED pixel structure as described above 100, it is not necessary to use high performance OLED material
With regard to can solve the problem that the problem that the display effect brought by the fixed display of long-time declines.
【Embodiment two】
Accordingly, present invention also offers a kind of organic light emitting display and its display methods.Refer to Fig. 4,
It is the structural representation of the organic light emitting display of the embodiment of the present invention two.As shown in figure 4, described have
The display methods of machine light-emitting display device includes：
Step one：An organic light emitting display 20 is provided, the organic light emitting display 20 includes fixing
Viewing area 22 and on-fixed viewing area 24, the fixed display area 22 and on-fixed viewing area 24
Each pixel cell include multiple sub-pixels, in each pixel cell of the fixed display area 22 extremely
The sub-pixel of rare two same colors, is electrically connected between the sub-pixel of described two same colors；
Step 2：Each sub-pixel in the fixed display area is lighted, while being lighted according to display brightness
The sub-pixel of the on-fixed viewing area.
Specifically, the organic light emitting display 20 includes fixed display area 22 and on-fixed viewing area
Domain 24, the OLED pixel structure that the fixed display area 22 and on-fixed viewing area 24 use not phase
Together, i.e., the whole plane of described organic light emitting display 20 uses two kinds of OLED pixel structures.Wherein,
The fixed display area 22 uses OLED pixel structure 100 as described above, the on-fixed viewing area
The use OLED pixel structure in domain 24 is substantially similar to the OLED pixel structure 100, equally includes many
The individual pixel cell 120 arranged in specular, each pixel cell 120 includes multiple sub-pixels, each
The quantity of the sub-pixel of pixel cell 120 and each pixel cell 110 in the OLED pixel structure 100
Sub-pixel quantity it is identical.
As shown in figure 4, the dot structure that the on-fixed viewing area 24 uses includes that multiple is in specular
The pixel cell 120 of arrangement, equally so that each pixel cell 120 includes 4 sub-pixels as an example, each pixel
Unit 120 includes the first sub-pixel 111, the second sub-pixel 112, the 3rd sub-pixel 113 and the 5th sub- picture
Plain 115 this 4 sub-pixels, first sub-pixel 111, the second sub-pixel 112, the 3rd sub-pixel 113
2 × 2 matrixes are formed with the 5th sub-pixel 115.Wherein, first sub-pixel 111, the second sub-pixel 112
Color with the 3rd sub-pixel 113 is different, and respectively red sub-pixel, green sub-pixels and blueness
One kind in sub-pixel.The color of the 5th sub-pixel 115 and first sub-pixel 111, the second sub- picture
The color of the sub-pixel 113 of element 112 and the 3rd is differed, and the 5th sub-pixel 115 is yellow sub-pixel
Or white sub-pixels.
When the organic light emitting display 20 is lighted, two same colors in the fixed display area 22
Sub-pixel is lighted, and the one sub- pixel in on-fixed viewing area 24 and its color identical is lighted.In order to ensure
The fixed display area 22 and on-fixed viewing area 24 have identical brightness, the fixed viewing area
The pixel current in domain 22 halves.As a result, the pixel cell 110 of the fixed display area 22 and institute
The luminous efficiency for stating the pixel cell 120 of on-fixed viewing area 24 is basically identical, even if lighting for a long time,
The luminous efficiency of the pixel cell of fixed display area is also not in significant change.Therefore, using as above institute
The OLED pixel structure 100 stated need not can just be increased the service life using high performance OLED material,
Solve the problems, such as that the display effect brought by the fixed display of long-time declines.
It should be noted that each embodiment is described by the way of progressive in this specification, each embodiment
What is stressed is all the difference with other embodiment, and same or similar part is mutual between each embodiment
Referring to.
To sum up, OLED pixel structure, organic light emitting display and its display methods for being provided in the present invention
In, each pixel cell of fixed display area is respectively provided with same color and the sub-pixel being electrically connected with, and is used to
Reduce pixel current, extend the service life of the pixel cell, thus solve organic light emitting display because
The display effect fixed display for a long time and bring declines problem.
Foregoing description is only the description to present pre-ferred embodiments, not to any restriction of the scope of the invention,
Any change, modification that the those of ordinary skill in field of the present invention does according to the disclosure above content, belong to power
The protection domain of sharp claim.
Claims (10)
1. a kind of OLED pixel structure, it is characterised in that including：The pixel that multiple is arranged in specular
Unit, each pixel cell includes multiple sub-pixels, at least two identical face in the multiple sub-pixel
The sub-pixel of color, is electrically connected between the sub-pixel of described two same colors.
2. OLED pixel structure as claimed in claim 1, it is characterised in that each pixel cell is wrapped
Include the first sub-pixel, the second sub-pixel, the 3rd sub-pixel and the 4th sub-pixel；
The color of first sub-pixel, the second sub-pixel and the 3rd sub-pixel is different, and respectively red
One kind in sub-pixels, green sub-pixels and blue subpixels；
4th sub-pixel is red sub-pixel, green sub-pixels or blue subpixels.
3. OLED pixel structure as claimed in claim 2, it is characterised in that first sub-pixel,
Second sub-pixel, the 3rd sub-pixel and the 4th sub-pixel make pixel openings by same mask plate, described
The shape and area all same of the first sub-pixel, the second sub-pixel, the 3rd sub-pixel and the 4th sub-pixel.
4. a kind of organic light emitting display, it is characterised in that the organic light emitting display includes fixing
Viewing area and on-fixed viewing area, the fixed display area are used such as any institute in claims 1 to 3
The OLED pixel structure stated.
5. organic light emitting display as claimed in claim 4, it is characterised in that the on-fixed shows
Region is identical with the dot structure that the fixed display area is used or the on-fixed viewing area with it is described
It is different that the dot structure that fixed display area is used only has a color for sub-pixel.
6. organic light emitting display as claimed in claim 5, it is characterised in that the on-fixed shows
Each pixel cell in region includes the first sub-pixel, the second sub-pixel, the 3rd sub-pixel and the 5th sub- picture
Element；
The color of first sub-pixel, the second sub-pixel and the 3rd sub-pixel is different, and respectively red
One kind in sub-pixels, green sub-pixels and blue subpixels；
5th sub-pixel is yellow sub-pixel or white sub-pixels.
7. a kind of display methods of organic light emitting display, it is characterised in that including：
There is provided an organic light emitting display, the organic light emitting display includes fixed display area and non-
Each pixel cell of fixed display area, the fixed display area and on-fixed viewing area includes many
Individual sub-pixel, at least two sub-pixels of same color in each pixel cell of the fixed display area,
It is electrically connected between the sub-pixel of described two same colors；And
Each sub-pixel in the fixed display area is lighted, while being lighted according to display brightness described non-solid
Determine the sub-pixel of viewing area.
8. the display methods of organic light emitting display as claimed in claim 7, it is characterised in that described
On-fixed viewing area refers to pixel cell lighting time short or light the limited region of number of times, and the fixation shows
Show that region refers to the pixel cell region in illuminating state for a long time.
9. the display methods of organic light emitting display as claimed in claim 7, the on-fixed viewing area
At least two sub-pixels of same color in each pixel cell in domain, the sub- picture of described two same colors
Element is alternately lighted.
10. the display methods of organic light emitting display as claimed in claim 7, the on-fixed shows
At least two sub-pixels of same color, the son of described two same colors in each pixel cell in region
Pixel only lights one of them.
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Effective date of registration: 20201210 Address after: No.146 Tianying Road, high tech Zone, Chengdu, Sichuan Province Patentee after: Chengdu CHENXIAN photoelectric Co.,Ltd. Address before: No. 215300, Kunshan, Jiangsu Province Patentee before: Kunshan New Flat Panel Display Technology Center Co.,Ltd. |