CN1811865A - Organic light-emitting diode display device - Google Patents
Organic light-emitting diode display device Download PDFInfo
- Publication number
- CN1811865A CN1811865A CN200610006057.8A CN200610006057A CN1811865A CN 1811865 A CN1811865 A CN 1811865A CN 200610006057 A CN200610006057 A CN 200610006057A CN 1811865 A CN1811865 A CN 1811865A
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- pixel
- emitting diode
- organic light
- pel array
- light emitting
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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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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Control Of El Displays (AREA)
- Electroluminescent Light Sources (AREA)
Abstract
An organic LED display includes an organic LED display panel and a driving circuit. Said Organic LED display panel has at least a first pel array and a second pel array. Said First pel array has plurality of first pixel, second pel array has plurality of second pixel, wherein said pel arrays have different resolution. Driving circuit drives first pel array and second pel array to display image and provides first voltage and second voltage.
Description
Technical field
The present invention relates to a kind of organic light emitting diode display, particularly relate to a kind of organic LED display panel.
Background technology
Organic light emitting diode display has that reaction velocity is fast, volume is frivolous, and can provide advantages such as high-quality image, recently grow up fast in the monitor market gradually, be applied on mobile phone faceplate, digital camera, PDA(Personal Digital Assistant) and the Vehicular guidance system, desire replaces the market of LCD (LCD).
In the design of mobile phone faceplate or out of Memory panel, often have demonstration two class images, i.e. mobile phone state Information Images and tablecloth image at present.Please refer to Fig. 1, it is the synoptic diagram of handset displays panel.Handset displays panel 102 is divided into literal viewing area A and picture-display-region territory B.The literal viewing area A provide the mobile phone state Information Images, for example signal strength 10, mobile phone state 20 (noiseless/have sound pattern), news in brief prompting 30, state of charge 40 and dealer of system 50 or the like.And picture-display-region territory B is in order to show tablecloth image 60 and user's interface or the like.Because picture-display-region territory B can often change the information of its demonstration, for example changes the tablecloth image or switches to user's interface, so literal viewing area A almost fixes compared to the picture-display-region territory shown image of B.Therefore in this case, handset displays panel 102 is after use a period of time, can on the A of literal viewing area, observe the stigmatic phenomenon of OLED pixel, because the OLED pixel of normal viewing area can increase and the brightness decay deterioration along with fluorescent lifetime, under same drive voltage, the brightness meeting of this normal viewing area is regional secretly more next than other, sees that image is engraved on (Image Sticking) in the panel so have.
General mobile phone uses after a period of time, and the user can find to occur on the mobile phone faceplate stain of part, promptly so-called branding.Showing that the phenomenon of branding takes place especially easily in frequent zone, cause the user can't know the information that reads on the panel, quite inconvenience.
Summary of the invention
In view of this, the purpose of this invention is to provide a kind of organic light emitting diode display, its can slow down frequent demonstration stabilized image Organic Light Emitting Diode the branding phenomenon and have preferable energy use efficiency.
According to purpose of the present invention, a kind of organic light emitting diode display is proposed, it comprises an organic LED display panel and one drive circuit.Organic LED display panel comprises first pel array and one second pel array.First pel array has a plurality of first pixels, and second pel array has a plurality of second pixels.Wherein, this two pel array has different resolution.Driving circuit is in order to driving first pel array and the second pel array show image, and first voltage and second voltage are provided.
For above-mentioned purpose of the present invention, feature and advantage can be become apparent, a preferred embodiment cited below particularly, and be described with reference to the accompanying drawings as follows.
Description of drawings
Fig. 1 shows the mobile phone faceplate synoptic diagram.
Fig. 2 shows the synoptic diagram according to the organic light emitting diode display of a preferred embodiment of the present invention.
Fig. 3 shows the synoptic diagram according to the organic light emitting diode display of another preferred embodiment of the present invention.
The reference numeral explanation
10: signal strength
20: mobile phone state (sound/silent mode)
30: the news in brief prompting
40: state of charge
50: system dealer
60: the tablecloth image
102: the handset displays panel
200,300: organic light emitting diode display
202,302: organic LED display panel
204,304: driving circuit
206: data drive circuit
208: scan drive circuit
306: the first data drive circuits
308: the second data drive circuits
310: the first scan drive circuits
312: the second scan drive circuits
M1: first pel array
M2: second pel array
Embodiment
Please refer to Fig. 2, it is the synoptic diagram of the organic light emitting diode display of a preferred embodiment of the present invention.Organic light emitting diode display 200 is applicable to portable charged sub-device, the display screen of mobile phone for example, and it comprises an organic LED display panel 202.Organic LED display panel 202 has the pel array of two or more different resolutions at least, for example one first pel array M1 and one second pel array M2.The first pel array M1 has a plurality of first pixel P1, and has Y the first pixel P1 in the first pel array M1 unit area, and Y is a positive integer.The second pel array M2 has a plurality of second pixel P2, and has Z the second pixel P2 in the second pel array M2 unit area, and Z is that positive integer and Z are greater than Y.For example shown in Figure 2, in the first pel array M1, have one first pixel P1 in the unit area X1, and in the second pel array M2 with unit area X1 unit area X2 of the same area, have four second pixel P2 in it.Therefore by above-mentioned configuration relation, the effective light-emitting zone of the Organic Light Emitting Diode OLED of the first pixel P1 can be greater than the effective light-emitting zone of the Organic Light Emitting Diode OLED of the second pixel P2 in design.
Because the effective light-emitting zone of the Organic Light Emitting Diode OLED of the first pixel P1 is greater than the effective light-emitting zone of the Organic Light Emitting Diode OLED of the second pixel P2, so the current density the when current density during the Organic Light Emitting Diode OLED conducting of the first pixel P1 will be lower than the Organic Light Emitting Diode OLED conducting of the second pixel P2.And current density and its degradation during Organic Light Emitting Diode OLED conducting are inversely proportional to, i.e. the Organic Light Emitting Diode OLED of lower current densities during conducting, and its aging degree is slower.See also Nikkei BP, 2004Flat Panel Displays, Nikkei BP in Japan, the p.217 relevant narration in.Therefore the Organic Light Emitting Diode OLED among the first pel array M1 is under the situation of long-time demonstration stabilized image, and its degradation can significantly reduce.In other words, the present invention is with on the same display panel 202, the less first pel array M1 of unit area interior pixel number is in order to show mobile phone state information, for example signal strength, mobile phone state (noiseless/have sound pattern), news in brief prompting, state of charge and the dealer of system or the like, and will be compared to the first pel array M1, the more second pel array M2 of unit area interior pixel number is in order to show image, for example mobile phone desktop or claim the mobile phone tablecloth.Thus, the first pixel battle array M1 is under the situation of long-time demonstration stabilized image, and the deterioration of its Organic Light Emitting Diode OLED or the degree of branding will significantly reduce.
In addition, as shown in Figure 2, organic light emitting display panel 202 also comprises many data lines 205 and multi-strip scanning stockline 207.Data line 205 is coupled to the second pixel P2, and partly data line 205 is coupled to the first pixel P1.Scanning stockline 207 is coupled to the first pixel P1 and the second pixel P2.As shown in Figure 2, data line 205 is respectively 205 (1), 205 (2), 205 (3) ... 205 (10), wherein, the first pel array M1 and the second pel array M2 share these data lines 205 (1), 205 (3) ... 205 (9), and remaining data line 205 (2), 205 (4) ... 205 (10) only use for the second pel array M2.
Organic light emitting diode display 200 also comprises one drive circuit 204, in order to driving this first pel array M1 and this second pel array M2 show image, and provides first voltage and second voltage to give this two pel array.Driving circuit 204 also comprises data drive circuit 206 and scan drive circuit 208.Data drive circuit 206 couples with data line 205, and by data line 205 output pixel voltage to the first pixel P1 and the second pixel P2.Scan driving circuit 208 and couple with scanning stockline 207, and by scanning stockline output scanning signal to the first pixel P1 and the second pixel P2.In addition, first voltage that driving circuit 204 is provided and second voltage are respectively as the driving power of the first pel array M1 and the second pel array M2.Therefore, driving circuit 204 can provide independently driving power to the two pel array M1 and the M2 of display panel 202.So, can look user's demand, will not need the dump in the zone of show image on the mobile phone, so that the energy use efficiency optimization of mobile phone.In other words, the present invention is divided into two pel array M1 and M2 with display panel 202, and the first pel array M1 provides mobile phone state information, and the second pel array M2 provides the user customized settings.When user's desire obtains mobile phone state information, for example signal strength, news in brief prompting etc., then driving circuit 204 only provides driving power to the first pel array M1, and when user's desire change customized settings, then driving circuit 204 only provides driving power to the second pel array M2.Thus,, cut off the power supply that does not need the zone of show image on the mobile phone, to reach the purpose of saving cellular phone power supplies according to user's operational requirements.
In the foregoing description, the first pel array M1 and the second pel array M2 that have different pixels density on the organic luminorphor diode display panel 200, this two pel arrays M1 and M2 shared data driving circuit 206 and scan drive circuit 208, if desire this two pel array of independent displaying, need consider the signal control of data drive circuit 206 and scan drive circuit 208, especially the data line 205 quantity differences of this two pel array, data drive circuit 206 is more complicated for the control of output signal.For can two different pel arrays of more efficient control, below the present invention be done further explanation with preferred embodiment.
Please refer to Fig. 3, it is the synoptic diagram of the organic light emitting display of another preferred embodiment of the present invention.Organic light emitting diode display 300 comprises a display panel 302 and one drive circuit 304.Organic LED display panel 302 comprises one first pel array M1 and one second pel array M2.The panel of organic light emitting display 300 also comprises many first data lines 305 and many second data lines 307, many first sweep traces 309 and many second sweep traces 311.First data line 305 is coupled to the first pixel P1, and second data line 307 is coupled to the second pixel P2.The first scanning stockline 309 is coupled to the first pixel P1, and the second scanning stockline 311 is coupled to the second pixel P2.Driving circuit 304 also comprises one first data drive circuit 306, one second data drive circuit 308 and one first scan drive circuit 310, one second scan drive circuit 312.First data drive circuit 306 and first data line 305 couple, and by first data line, 305 output pixel voltage to the first pixel P1.Second data drive circuit 308 and second data line 307 couple, and by second data line, 307 output pixel voltage to the second pixel P2.First scan drive circuit 310 and first sweep trace 309 couple, and by first sweep trace, 309 output scanning signal to the first pixel P1.Second scan drive circuit 312 and second sweep trace 311 couple, and by second sweep trace, 311 output scanning signal to the second pixel P2.
Organic light-emitting diode display panel 300 is roughly the same with the panel driving mode of last embodiment, it is characterized in that using two data drive circuits 306 and 308 and scan drive circuit 310 and 312 independently, in order to control the first pel array M1 and the second pel array M2 respectively, can change a wherein pel array separately by this, or change this two array simultaneously, can change the information of different pixels array more efficient, more simply.
In the foregoing description, the first pel array M1 is to illustrate with 1:4 with the pixel quantity ratio of the second pel array M2 in unit area, but on reality is implemented, not as limit, can look the practical design demand, and for example with 1: 2,1: 8,2: 3, different ratios designed 3: 7 etc., and different variations is arranged.The first pel array M1 and second arrangement of pel array M2 on display panel, can also arrange by any way, for example, about arrange or inside and outside arrangement or mixing mode such as arrangement changes, do not exceed in the mode of arranging up and down, more be not positioned at the panel top position, exceed and the second pel array M2 is positioned at the panel lower position with the first pel array M1.
In sum; though the present invention discloses as above with a preferred embodiment; right its is not in order to limit the present invention; those skilled in the art under the premise without departing from the spirit and scope of the present invention; can be used for a variety of modifications and variations, so protection scope of the present invention is as the criterion with claim of the present invention.
Claims (10)
1. organic light emitting diode display comprises:
One organic LED display panel comprises:
One first pel array has a plurality of first pixels, and described first pixel all receives one first voltage, has N this first pixel in this first pel array unit area, and N is a positive integer; And
One second pel array has a plurality of second pixels, and described second pixel all receives one second voltage, has M this second pixel in this second pel array unit area, and M is a positive integer, and M is greater than N; And
One drive circuit is in order to drive this first pel array and this second pixel battle array and to provide this first voltage and this second voltage.
2. organic light emitting diode display as claimed in claim 1, wherein this organic LED display panel also comprises:
Many data lines couple described second pixel respectively, and partly described data line is coupled to described first pixel respectively; And
The multi-strip scanning stockline is coupled to described first pixel and described second pixel.
3. organic light emitting diode display as claimed in claim 2, wherein this driving circuit can be controlled this first voltage and this second voltage respectively, and this driving circuit also comprises:
One data drive circuit, couple described data line and by described data line output pixel voltage to described first pixel and described second pixel; And
Scan driving circuit, couple described sweep trace and by described sweep trace output scanning signal to described first pixel and described second pixel.
4. organic light emitting diode display as claimed in claim 3, wherein this organic light emitting diode display is used for a portable electron device.
5. organic light emitting diode display as claimed in claim 4, wherein this portable electron device is a mobile phone, this organic LED display panel is the display screen of this mobile phone, this first pel array is in order to show a mobile phone status information of this mobile phone, and this second pel array is in order to show an operation image of this mobile phone.
6. organic light emitting diode display as claimed in claim 5, wherein this mobile phone state information comprises reception intensity, battery electric quantity, time, news in brief prompting and network title, this operation image comprises user's interface and desktop images.
7. organic light emitting diode display as claimed in claim 1, wherein, this organic LED display panel also comprises:
Many first data lines couple described first pixel;
Many second data lines couple described second pixel;
Many first scanning stocklines couple described first pixel; And
Many second scanning stocklines couple described second pixel.
8. organic light emitting diode display as claimed in claim 7, wherein, this driving circuit can be controlled this first voltage and this second voltage respectively, and this driving circuit also comprises:
One first data drive circuit, couple described first data line and by the described first data line output pixel voltage to described first pixel;
One first scan drive circuit, couple described first sweep trace and by the described first sweep trace output scanning signal to described first pixel;
One second data drive circuit, couple described second data line and by the described second data line output pixel voltage to described second pixel; And
One second scan drive circuit, couple described second sweep trace and by the described second sweep trace output scanning signal to described second pixel.
9. organic light emitting diode display as claimed in claim 8, wherein this organic light emitting diode display is used for a portable electron device.
10. organic light emitting diode display as claimed in claim 9, wherein this portable electron device is a mobile phone, this organic LED display panel is the display screen of this mobile phone, this first pel array is in order to show a mobile phone status information of this mobile phone, and this second pel array is in order to show an operation image of this mobile phone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100060578A CN100495485C (en) | 2006-01-24 | 2006-01-24 | Organic light-emitting diode display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100060578A CN100495485C (en) | 2006-01-24 | 2006-01-24 | Organic light-emitting diode display device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1811865A true CN1811865A (en) | 2006-08-02 |
| CN100495485C CN100495485C (en) | 2009-06-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006100060578A Active CN100495485C (en) | 2006-01-24 | 2006-01-24 | Organic light-emitting diode display device |
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| CN (1) | CN100495485C (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101551966B (en) * | 2008-04-03 | 2011-05-18 | 乐金显示有限公司 | Flat panel display |
| CN107765487A (en) * | 2017-10-30 | 2018-03-06 | 上海天马有机发光显示技术有限公司 | A kind of display device |
| CN109147661A (en) * | 2018-09-30 | 2019-01-04 | 武汉天马微电子有限公司 | A kind of display panel and display device |
| CN109192138A (en) * | 2018-10-31 | 2019-01-11 | 武汉天马微电子有限公司 | A kind of display panel and its control method, display device |
| WO2020062612A1 (en) * | 2018-09-28 | 2020-04-02 | 北京小米移动软件有限公司 | Display structure, display panel, and display device |
| WO2020134914A1 (en) * | 2018-12-25 | 2020-07-02 | 华为技术有限公司 | Display screen, and mobile terminal and control method therefor |
| CN114530123A (en) * | 2020-11-03 | 2022-05-24 | 乐金显示有限公司 | Display panel and display device using the same |
| EP4095926A3 (en) * | 2021-05-28 | 2023-03-15 | Samsung Display Co., Ltd. | Display apparatus |
-
2006
- 2006-01-24 CN CNB2006100060578A patent/CN100495485C/en active Active
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101551966B (en) * | 2008-04-03 | 2011-05-18 | 乐金显示有限公司 | Flat panel display |
| CN107765487A (en) * | 2017-10-30 | 2018-03-06 | 上海天马有机发光显示技术有限公司 | A kind of display device |
| WO2020062612A1 (en) * | 2018-09-28 | 2020-04-02 | 北京小米移动软件有限公司 | Display structure, display panel, and display device |
| CN109147661A (en) * | 2018-09-30 | 2019-01-04 | 武汉天马微电子有限公司 | A kind of display panel and display device |
| US10692436B2 (en) * | 2018-09-30 | 2020-06-23 | Wuhan Tianma Micro-Electronics Co., Ltd. | Display panel and display device |
| CN109147661B (en) * | 2018-09-30 | 2021-02-26 | 武汉天马微电子有限公司 | Display panel and display device |
| CN109192138A (en) * | 2018-10-31 | 2019-01-11 | 武汉天马微电子有限公司 | A kind of display panel and its control method, display device |
| WO2020134914A1 (en) * | 2018-12-25 | 2020-07-02 | 华为技术有限公司 | Display screen, and mobile terminal and control method therefor |
| CN114530123A (en) * | 2020-11-03 | 2022-05-24 | 乐金显示有限公司 | Display panel and display device using the same |
| EP4095926A3 (en) * | 2021-05-28 | 2023-03-15 | Samsung Display Co., Ltd. | Display apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100495485C (en) | 2009-06-03 |
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