CN110190093A - The control method of OLED display panel and its light emission luminance - Google Patents
The control method of OLED display panel and its light emission luminance Download PDFInfo
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- CN110190093A CN110190093A CN201910428643.9A CN201910428643A CN110190093A CN 110190093 A CN110190093 A CN 110190093A CN 201910428643 A CN201910428643 A CN 201910428643A CN 110190093 A CN110190093 A CN 110190093A
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- pixel unit
- light emitting
- display panel
- oled display
- emitting region
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/80—Constructional details
- H10K50/86—Arrangements for improving contrast, e.g. preventing reflection of ambient light
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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
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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
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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
- H10K59/122—Pixel-defining structures or layers, e.g. banks
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Optics & Photonics (AREA)
- Electroluminescent Light Sources (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Abstract
This application provides a kind of OLED display panel and its control method of light emission luminance, OLED display panel includes substrate, the drive control circuit that is set to pixel unit in array distribution of multiple on the substrate and is set on the substrate；Each pixel unit includes the light emitting region that N number of area is sequentially increased, the sum of the area of light emitting region of any various combination in the same pixel unit is not identical, and the drive control circuit is by the luminance of each light emitting region of the control pixel unit to realize 2 to the pixel unitNKind light emission luminance control.The present invention is by using the light emitting region for being divided into N number of area to be sequentially increased each pixel unit, by controlling the luminance of each light emitting region to realize the brightness control for the pixel unit, with can be to avoid the uniformity and display quality that brightness because of voltage differences bring luminance difference, can be improved.
Description
[technical field]
This application involves field of display technology more particularly to the controlling parties of a kind of OLED display panel and its light emission luminance
Method.
[background technique]
In AMOLED display driving system, Organic Light Emitting Diode (Organic Light Emitting Diode,
OLED light emission luminance) time and light-emitting area luminous with the electric current by OLED device, OLED device are related.
The brightness control for being currently known OLED device is all electric current and fluorescent lifetime by control OLED device come real
Now accurate brightness control.It is flat with drive voltage signal but since the light emission luminance of OLED device is directly proportional to driving current
Side is directly proportional, therefore under low ash degree display state, the light emission luminance of OLED is very sensitive for the variation of drive voltage signal.Together
When in AMOLED display system, since the IR drop on power signal line can cause the change of OLED device drive voltage signal
Change, to influence the uniformity of display screen active area in AMOLED display system (Active Area, AA ') display effect.
Therefore, it is necessary to the control method of a kind of OLED display panel and its light emission luminance be provided, to solve the prior art
The problems of.
[summary of the invention]
The application provides the control method of a kind of OLED display panel and its light emission luminance, and the hair of luminescent device can be improved
Optical uniformity, and then promote image quality.
This application provides a kind of OLED display panels comprising substrate, be set to it is multiple in array on the substrate
The pixel unit of distribution and the drive control circuit being set on the substrate；
Each pixel unit includes the light emitting region that N number of area is sequentially increased, appointing in the same pixel unit
The sum of the area of light emitting region of meaning various combination is not identical, and the drive control circuit is by controlling the every of the pixel unit
The luminance of one light emitting region is to realize 2 to the pixel unitNKind light emission luminance control.
In OLED display panel described herein, the pixel unit includes that N number of area is successively increased by preset formula
Big light emitting region.
In OLED display panel described herein, the pixel unit includes the luminous zone that 8 areas are sequentially increased
Domain, each pixel unit include 28Kind light emission luminance.
In OLED display panel described herein, the pixel unit includes that 8 areas are successively in the m times of hair increased
Light region, the m are more than or equal to 2.
In OLED display panel described herein, each pixel unit includes a displayer part.
In OLED display panel described herein, each displayer part includes multiple OLED luminous single
Member.
In OLED display panel described herein, each pixel unit includes what multiple rectangular arrays were arranged
Displayer part.
In OLED display panel described herein, the pixel unit is blue pixel cells, green pixel cell
Or red pixel cell.
Pixel region in OLED display panel described herein, including the distribution of multiple rectangular arrays on the substrate
Domain, each pixel region include a blue pixel cells, a green pixel cell and a red pixel cell.
The present invention also provides a kind of control methods of OLED display panel light emission luminance, wherein the OLED display panel packet
Include substrate, the pixel unit in array distribution that is set to multiple on the substrate and the driving control being set on the substrate
Circuit processed；Each pixel unit includes the light emitting region that N number of area is sequentially increased, any in the same pixel unit
The sum of area of light emitting region of various combination is not identical；It the described method comprises the following steps:
Obtain brightness regulation instruction, brightness regulation instruction include the location information for the object pixel unit to be adjusted with
And luminance information corresponding with the location information；
The light-emitting area information of the object pixel unit is calculated according to the luminance information；
It is luminous according to needing to carry out in N number of light emitting region of object pixel unit described in the light-emitting area validation of information
Light emitting region is target area；
The target area is controlled to shine.
From the foregoing, it will be observed that the application is by using the luminous zone for being divided into N number of area to be sequentially increased each pixel unit
Domain, by controlling the luminance of each light emitting region to realize that the brightness for the pixel unit controls, having can be to avoid
Because of voltage differences bring luminance difference, the uniformity and display quality of brightness can be improved.
[Detailed description of the invention]
Fig. 1 is the structure chart of OLED display panel provided by the present application.
Fig. 2 is the flow chart of the control method of OLED display panel light emission luminance provided by the present application.
[specific embodiment]
Embodiments of the present invention are described below in detail, the example of the embodiment is shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, and for explaining only the invention, and is not considered as limiting the invention.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside", " up time
The orientation or positional relationship of the instructions such as needle ", " counterclockwise " is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of
The description present invention and simplified description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with spy
Fixed orientation construction and operation, therefore be not considered as limiting the invention.In addition, term " first ", " second " are only used for
Purpose is described, relative importance is not understood to indicate or imply or implicitly indicates the quantity of indicated technical characteristic.
" first " is defined as a result, the feature of " second " can explicitly or implicitly include one or more feature.?
In description of the invention, the meaning of " plurality " is two or more, unless otherwise specifically defined.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " 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 or can mutually communicate；It can be directly connected, it can also be by between intermediary
It connects connected, can be the connection inside two elements or the interaction relationship of two elements.For the ordinary skill of this field
For personnel, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
In the present invention unless specifically defined or limited otherwise, fisrt feature second feature "upper" or "lower"
It may include that the first and second features directly contact, also may include that the first and second features are not direct contacts but pass through it
Between other characterisation contact.Moreover, fisrt feature includes the first spy above the second feature " above ", " above " and " above "
Sign is right above second feature and oblique upper, or is merely representative of first feature horizontal height higher than second feature.Fisrt feature exists
Second feature " under ", " lower section " and " following " include that fisrt feature is directly below and diagonally below the second feature, or is merely representative of
First feature horizontal height is less than second feature.
Following disclosure provides many different embodiments or example is used to realize different structure of the invention.In order to
Simplify disclosure of the invention, hereinafter the component of specific examples and setting are described.Certainly, they are merely examples, and
And it is not intended to limit the present invention.In addition, the present invention can in different examples repeat reference numerals and/or reference letter,
This repetition is for purposes of simplicity and clarity, itself not indicate between discussed various embodiments and/or setting
Relationship.In addition, the present invention provides various specific techniques and material example, but those of ordinary skill in the art can be with
Recognize the application of other techniques and/or the use of other materials.
Refering to fig. 1, Fig. 1 is the structure chart of one of some embodiments of the application OLED display panel.
In some embodiments, the OLED display panel include substrate 10, be set to it is multiple in battle array on the substrate 10
The pixel unit 20 of column distribution and the drive control circuit (not shown) being set on the substrate 10.
Wherein, it is provided on the substrate 10 and is used to support the pixel unit 20 and sets out the structure of light, be the prior art,
This is not described excessively.
Wherein, which includes the light emitting region 21 that is sequentially increased of N number of area, in the same pixel unit 20
The sum of the area of light emitting region 21 of any various combination it is not identical, the drive control circuit is by controlling the pixel list
The luminance of each light emitting region 21 of member 20 is to realize 2 to the pixel unitNKind light emission luminance control.
In some embodiments, which includes the light emitting region that N number of area is sequentially increased by preset formula.Example
It can be such as sequentially increased, can also successively be increased in the way of equimultiple in the way of certain percentage, when
So it is not limited to this, in one embodiment, according to formula Y=AxnExponential increase is carried out, wherein Y is light emitting region
Area, it is natural number that A, which is greater than or equal to 1, n, and x is greater than or equal to 2.
Such as in the present embodiment, which includes the light emitting region 21 that 8 areas are sequentially increased, each described
Pixel unit 20 includes 28Kind light emission luminance.
Wherein, it is successively in the m times of light emitting region increased 21 which, which includes 8 areas, and the m is to be greater than or wait
In 2.In the present embodiment, the multiple be 2, in other words, the area of 8 light emitting regions be respectively 1 unit, 2 units,
4 units, 8 units, 16 units, 32 units, 64 units and 128 units.Any different combination shines
The area in region 21 is all different, and that is to say that the light emitting region of any combination shine may make the pixel unit 20 to obtain
Different brightness.
Wherein, such as the brightness degree of object pixel unit is that the superlative degree that is to say 256 grades, then the object pixel unit
8 light emitting regions shine.If the brightness degree of object pixel unit be it is time advanced, that is to say 255 grades, then in addition to area is
The light emitting region of one unit does not shine, remaining region shines.
It will of course be understood that ground, which may be other multiples.
In some embodiments, which can only include a displayer part.
Wherein, which includes multiple OLED light emitting unit rectangular array distribution splicing shapes
At.
In some embodiments, each pixel unit includes the displayer part of multiple rectangular array arrangements
It is spliced to form.
Specifically, in some embodiments, which can be blue pixel cells, green pixel cell or red
Color pixel unit.
It wherein, include the pixel region of multiple rectangular arrays distribution on the substrate 10, each pixel region includes
One blue pixel cells, a green pixel cell and a red pixel cell.One blue pixel cells, a green pixel cell
And one red pixel cell form a pixel.
In this application, which is electrically connected with each light emitting region 21 respectively, to control each hair
The luminance in light region 21, to realize that the light emission luminance for each pixel unit controls.
From the foregoing, it will be observed that the present invention is by using the luminous zone for being divided into N number of area to be sequentially increased each pixel unit
Domain, by controlling the luminance of each light emitting region to realize that the brightness for the pixel unit controls, having can be to avoid
Because of voltage differences bring luminance difference, the uniformity of brightness can be improved, display quality can be improved.
Referring to figure 2., Fig. 2 is the control method of the OLED display panel light emission luminance in some embodiments of the application.
The OLED display panel is the OLED display panel in above-described embodiment.Method includes the following steps:
S201, brightness regulation instruction is obtained, the brightness regulation instruction includes the position for the object pixel unit to be adjusted
Information and luminance information corresponding with the location information；
In this step, brightness regulation instruction is either carry out brightness tune for some or some pixel units
Section is also possible to carry out brightness regulation to OLED display panel all pixels unit.The brightness of multiple object pixel unit is believed
Breath can be identical or not identical.
S202, the light-emitting area information that the object pixel unit is calculated according to the luminance information.
The pixel unit includes that 8 areas are successively in the m times of light emitting region increased, and the m is more than or equal to 2, often
One pixel unit includes 28Kind light emission luminance.
For example, it is successively in the m times of light emitting region increased 21 that the pixel unit 20, which includes 8 areas, the m is to be greater than or wait
In 2.In the present embodiment, the multiple be 2, in other words, the area of 8 light emitting regions be respectively 1 unit, 2 units,
4 units, 8 units, 16 units, 32 units, 64 units and 128 units.Any different combination shines
The area in region 21 is all different, and that is to say that the light emitting region of any combination shine may make the pixel unit 20 to obtain
Different brightness.
S203, the object pixel unit according to the light-emitting area validation of information N number of light emitting region in need to carry out
Luminous light emitting region is target area.
Wherein, such as the brightness degree of object pixel unit is that the superlative degree that is to say 256 grades, then the object pixel unit
8 light emitting regions shine.If the brightness degree of object pixel unit be it is time advanced, that is to say 255 grades, then in addition to area is
The light emitting region of one unit does not shine, remaining region shines.
S204, the target area of the control object pixel unit are luminous.
In some embodiments, which can only include a displayer part.
Wherein, which includes multiple OLED light emitting unit rectangular array distribution splicing shapes
At.
In some embodiments, each pixel unit includes the displayer part of multiple rectangular array arrangements
It is spliced to form.
Specifically, in some embodiments, which can be blue pixel cells, green pixel cell or red
Color pixel unit.
It wherein, include the pixel region of multiple rectangular arrays distribution on the substrate 10, each pixel region includes
One blue pixel cells, a green pixel cell and a red pixel cell.One blue pixel cells, a green pixel cell
And one red pixel cell form a pixel.
In this application, which is electrically connected with each light emitting region 21 respectively, to control each hair
The luminance in light region 21, to realize that the light emission luminance for each pixel unit controls.
From the foregoing, it will be observed that the present invention is by using the luminous zone for being divided into N number of area to be sequentially increased each pixel unit
Domain, by controlling the luminance of each light emitting region to realize that the brightness for the pixel unit controls, having can be to avoid
Because of voltage differences bring luminance difference, the uniformity and display quality of brightness can be improved.
Although above preferred embodiment is not to limit in conclusion the application is disclosed above with preferred embodiment
The application processed, those skilled in the art are not departing from spirit and scope, can make various changes and profit
Decorations, therefore the protection scope of the application subjects to the scope of the claims.
Claims (10)
1. a kind of OLED display panel, which is characterized in that including substrate, be set to multiple on the substrate in array distribution
Pixel unit and the drive control circuit being set on the substrate；
Each pixel unit includes the light emitting region that N number of area is sequentially increased, in the same pixel unit it is any not
Each institute not identical with the sum of combined area of light emitting region, that the drive control circuit passes through the control pixel unit
The luminance of light emitting region is stated to realize 2 to the pixel unitNKind light emission luminance control.
2. OLED display panel according to claim 1, which is characterized in that the pixel unit includes N number of area by pre-
If the light emitting region that formula is sequentially increased.
3. OLED display panel according to claim 2, which is characterized in that the pixel unit include 8 areas successively
The light emitting region of increase, each pixel unit include 28Kind light emission luminance.
4. OLED display panel according to claim 2, which is characterized in that the pixel unit include 8 areas successively
The light emitting region increased in m times, the m are more than or equal to 2.
5. OLED display panel according to claim 1-4, which is characterized in that each pixel unit includes
One displayer part.
6. according to the described in any item OLED display panels of claim 5, which is characterized in that each displayer part
Including multiple OLED light emitting units.
7. OLED display panel according to claim 1-4, which is characterized in that each pixel unit includes
The displayer part of multiple rectangular array arrangements.
8. OLED display panel according to claim 1, which is characterized in that the pixel unit be blue pixel cells,
Green pixel cell or red pixel cell.
9. OLED display panel according to claim 8, which is characterized in that include multiple rectangular arrays on the substrate
The pixel region of distribution, each pixel region include a blue pixel cells, a green pixel cell and a red picture
Plain unit.
10. a kind of control method of OLED display panel light emission luminance, which is characterized in that the OLED display panel includes base
Plate, the drive control electricity for being set to pixel unit in array distribution of multiple on the substrate and being set on the substrate
Road；Each pixel unit includes the light emitting region that N number of area is sequentially increased, any difference in the same pixel unit
The sum of combined area of light emitting region is not identical；It the described method comprises the following steps:
Obtain brightness regulation instruction, brightness regulation instruction include the object pixel unit to be adjusted location information and with
The corresponding luminance information of the location information；
The light-emitting area information of the object pixel unit is calculated according to the luminance information；
According to needing to carry out luminous shine in N number of light emitting region of object pixel unit described in the light-emitting area validation of information
Region is target area；
The target area is controlled to shine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910428643.9A CN110190093A (en) | 2019-05-22 | 2019-05-22 | The control method of OLED display panel and its light emission luminance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910428643.9A CN110190093A (en) | 2019-05-22 | 2019-05-22 | The control method of OLED display panel and its light emission luminance |
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| CN110190093A true CN110190093A (en) | 2019-08-30 |
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| CN201910428643.9A Pending CN110190093A (en) | 2019-05-22 | 2019-05-22 | The control method of OLED display panel and its light emission luminance |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008127987A1 (en) * | 2007-04-12 | 2008-10-23 | Samsung Electronics Co., Ltd. | Subpixel layouts for high brightness displays and systems |
| US7898725B2 (en) * | 2006-06-15 | 2011-03-01 | Qualcomm Mems Technologies, Inc. | Apparatuses with enhanced low range bit depth |
| CN107851414A (en) * | 2015-07-24 | 2018-03-27 | 夏普株式会社 | Pixel layout and display |
-
2019
- 2019-05-22 CN CN201910428643.9A patent/CN110190093A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7898725B2 (en) * | 2006-06-15 | 2011-03-01 | Qualcomm Mems Technologies, Inc. | Apparatuses with enhanced low range bit depth |
| WO2008127987A1 (en) * | 2007-04-12 | 2008-10-23 | Samsung Electronics Co., Ltd. | Subpixel layouts for high brightness displays and systems |
| CN107851414A (en) * | 2015-07-24 | 2018-03-27 | 夏普株式会社 | Pixel layout and display |
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Application publication date: 20190830 |