CN103337503A - Integrated OLED image transceiver device and pixel arrangement structure thereof - Google Patents
Integrated OLED image transceiver device and pixel arrangement structure thereof Download PDFInfo
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- CN103337503A CN103337503A CN2013102112825A CN201310211282A CN103337503A CN 103337503 A CN103337503 A CN 103337503A CN 2013102112825 A CN2013102112825 A CN 2013102112825A CN 201310211282 A CN201310211282 A CN 201310211282A CN 103337503 A CN103337503 A CN 103337503A
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Abstract
The present invention provides a pixel arrangement structure of an integrated OLED image transceiver device. The OLED image transceiver device comprises the following components: a substrate, a photodiode which is used for sensing light on the substrate, and an OLED which is used for lighting on the substrate. The pixel arrangement structure is formed by the photodiode and the OLED, wherein, a n*n photodiode photosensing pixel unit which is composed of n*n photodiode photosensing sub-pixels, and a plurality of OLED light emitting sub-pixels which surround the n*n photodiode photosensing pixel unit form a (n+2)*(n+2) photosensing unit. A plurality of (n+2)*(n+2) photosensing units are arranged in longitudinal and transverse directions for forming an array, wherein n is larger than or equal with 2. The integrated OLED image transceiver device has the pixel arrangement structure. The pixel arrangement structure of the invention can cause the OLED image transceiver device to obtain excellent display and imaging performances.
Description
Technical field
The present invention relates to the OLED Display Technique, particularly relate to a kind of integrated OLED image transmission/reception device and line of pixels array structure thereof.
Background technology
Organic luminescent device (OLED) has the luminosity height, driving voltage is low, response speed is fast, the restriction of no visual angle, low-power consumption, ultralight are ultra-thin, can possess Any shape, color is output as advantages such as monochrome, white or near infrared ray, life-span length, has great application prospect in fields such as flat-panel monitor, planar light sources.In conjunction with the silicon base CMOS drive circuit, can the integrated signal acquisition, function such as signal processing, control.
With reference to example shown in Figure 1, in this embodiment, photodiode is embedded in and forms the image transmission/reception device in the little array of display of OLED.Wherein, 7 pairs of visible lights of photodiode are to the near infrared light sensitivity, and photodiode array further forms imageing sensor.OLED is made up of light reflection anode 8, organic luminous layer 5 and transparent cathode 9, and the OLED array forms image display device.At photodiode next door design OLED light emitting source and intersect and separate, and luminous and sensitization can parallel work-flows.
OLED image transmission/reception device shown in Figure 1 is than the little demonstration of traditional OLED, and maximum advantage is: integrated demonstration and imaging function on same CMOS chip; The external electro-optical device reduces, and the HMD size reduces; System is lighter, cheap, and is with better function, performance is higher and power consumption is lower; Can be applied to miniscope, as HMD head-mounted display, running gear or little projection arrangement, HUD HUD, EVF etc.; Possess the demonstration of penetrating and the two-way micro-display of shooting with video-corder shadow, as interactive HMD, optical check etc.; Sensor is as optical sensor, as fluorescent, color, flow measurement etc.
But, in the image transmission/reception device as shown in Figure 1, do not provide the line of pixels array structure of OLED and image sensor array.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art, a kind of line of pixels array structure of integrated OLED image transmission/reception device is provided, improve display performance and imaging performance.
Another purpose provides the OLED image transmission/reception device with this line of pixels array structure.
For achieving the above object, the present invention is by the following technical solutions:
A kind of line of pixels array structure of integrated OLED image transmission/reception device, described OLED image transmission/reception device comprises the luminous OLED that is used on the photodiode that is used for sensitization on substrate, the described substrate and the described substrate, described line of pixels array structure is formed by described photodiode and described OLED, wherein
N * n photodiode photosensitive pixel unit by n * n photodiode sensitization sub-pixel constitutes with the luminous sub-pixel of a plurality of OLED around described n * n photodiode photosensitive pixel unit, constitutes (n+2) * (n+2) photosensitive unit,
Array is arranged to form in a plurality of described (n+2) * (n+2) photosensitive unit edge direction in length and breadth,
N 〉=2 wherein.
Preferably, laterally or vertically, two adjacent (n+2) * (n+2) one or more OLED luminescence units that constituted by the luminous sub-pixel of OLED at interval between the photosensitive unit.
Preferably, the luminous sub-pixel of a plurality of OLED around described n * n photodiode photosensitive pixel unit has structure identical or inequality.
Preferably, the luminous sub-pixel of described a plurality of OLED is launched R/G/B monochromatic light, white light or colourama on the whole, and each monochromatic light in the described colourama is obtained by colour filter by the luminous sub-pixel of white light OLED or obtained by the luminous sub-pixel of R/G/B monochromatic light OLED.
Preferably, the luminous sub-pixel of OLED that constitutes described OLED luminescence unit has structure identical or inequality.
Preferably, described OLED luminescence unit is launched R/G/B monochromatic light, white light or colourama on the whole, and each monochromatic light in the described colourama is obtained by colour filter by the luminous sub-pixel of white light OLED or obtained by the luminous sub-pixel of R/G/B monochromatic light OLED.
Preferably, colour imaging is realized by colour filter in described n * n photodiode photosensitive pixel unit.
Preferably, n is 2, described n * n photodiode photosensitive pixel unit is 2 * 2 photodiode photosensitive pixel unit, the corresponding green photodiode of upper left photodiode sensitization sub-pixel wherein, the corresponding blue colour photodiode of the photodiode sensitization sub-pixel of lower-left, the corresponding green photodiode of the photodiode sensitization sub-pixel of bottom right, the corresponding red photodiode of upper right photodiode sensitization sub-pixel.
Preferably, the size of the luminous sub-pixel of OLED and photodiode sensitization sub-pixel is 8 * 8 μ m
2, the centre-to-centre spacing of two adjacent (n+2) * (n+2) photosensitive units is 160 μ m.
A kind of integrated OLED image transmission/reception device comprises the luminous OLED that is used on the photodiode that is used for sensitization on substrate, the described substrate and the described substrate, and described photodiode and described OLED have above-mentioned line of pixels array structure.
Useful technique effect of the present invention:
The present invention has carried out optimal design to the line of pixels array structure of OLED image transmission/reception device, not only increased photosensitive area, therefore improve image device and arrived near infrared sensitivity at visible light, also improved display performance, guaranteed that this OLED image transmission/reception device has enough demonstrations and imaging resolution.Preferred embodiment can obtain more advantage, for example, the one or more OLED luminescence units in interval between two adjacent photosensitive units, can significantly improve performances such as display brightness and resolution, for example, on photodiode sensitization sub-pixel surface colour filter is set, can realizes the photosensitive unit colour imaging.
Description of drawings
Fig. 1 is the generalized section of OLED image transmission/reception device;
Fig. 2 is the photosensitive unit schematic diagram of the embodiment of the invention one;
Fig. 3 is the pel array arrangement architecture figure of the embodiment of the invention one;
Fig. 4 is the luminous arrangement of subpixels mode of the OLED of further embodiment of this invention figure;
Fig. 5 is the pel array arrangement architecture figure of further embodiment of this invention;
Fig. 6 is the photosensitive unit schematic diagram of further embodiment of this invention;
Fig. 7 is the pel array arrangement architecture figure of further embodiment of this invention;
Fig. 8 is the luminous arrangement of subpixels mode of the OLED of further embodiment of this invention figure;
Fig. 9 is the pel array arrangement architecture figure of further embodiment of this invention;
Figure 10 is the photosensitive unit schematic diagram of further embodiment of this invention;
Figure 11 is the pel array arrangement architecture figure of further embodiment of this invention.
Embodiment
Below in conjunction with accompanying drawing embodiments of the invention are elaborated.Should be emphasized that following explanation only is exemplary, rather than in order to limit the scope of the invention and to use.
Consult Fig. 2-11, in certain embodiments, a kind of line of pixels array structure of integrated OLED image transmission/reception device, formed by described photodiode and described OLED in the described OLED image transmission/reception device, wherein, n * n photodiode photosensitive pixel unit by n * n photodiode sensitization sub-pixel formation, with the luminous sub-pixel of a plurality of OLED around described n * n photodiode photosensitive pixel unit, constitute (n+2) * (n+2) photosensitive unit, array is arranged to form in a plurality of described (n+2) * (n+2) photosensitive unit edge direction in length and breadth, wherein n 〉=2.In typical embodiment, n=2, namely 2 * 2 photodiode photosensitive pixel unit that are made of 4 photodiode sensitization sub-pixels around 2 * 2 photodiode photosensitive pixel unit, around 12 luminous sub-pixels of OLED are arranged, constitute 4 * 4 photosensitive units.N also can be greater than 2, the photodiode sensitization sub-pixel in each photosensitive unit and the also corresponding increase of the luminous sub-pixel of OLED that centers on photodiode photosensitive pixel unit.
Array is arranged to form in a plurality of photosensitive units edge direction in length and breadth, can be as shown in Figure 3, arranging with direct abutment, also can be shown in Fig. 5,7,9,11, the one or more OLED luminescence units that are made of the luminous sub-pixel of OLED in interval between the adjacent photosensitive unit.Illustrated embodiment only is arranged on interval transversely, the interval on also can arranging vertically similarly.
Fig. 2,3 illustrates the line of pixels array structure of the OLED image transmission/reception device of a kind of embodiment.In the line of pixels array structure, 4 * 4 photosensitive units as shown in Figure 2.4 * 4 photosensitive units comprise that 4 square photodiode sub-pixels 1,2,3,4 constitute 2 * 2 photodiode photosensitive pixel unit, and the luminous sub-pixel of a plurality of OLED that centers on this photodiode photosensitive pixel unit.The luminous sub-pixel of a plurality of OLED can have identical OLED structure, sends monochrome or white light.Among this embodiment, OLED sends ruddiness, represents with R.Based on this 4 * 4 photosensitive unit, arranging along direction in length and breadth forms the pel array of OLED image transmission/reception device, as shown in Figure 3.Adopt the benefit of this line of pixels array structure to be: each photodiode unit comprises 4 sub-pixels, has increased photosensitive area, has therefore improved image device and has arrived near infrared sensitivity at visible light; Guaranteed that also OLED image transmission/reception device has enough demonstrations and imaging resolution.This line of pixels array structure can realize that monochrome image shows and black and white imaging and near infrared imaging.
Consult Fig. 4 and Fig. 5, among the another kind of embodiment, above-mentioned 4 * 4 photosensitive units are the full-luminous pixel cell of one or more 4 onesize * 4OLED at interval, to improve display performance.The full-luminous pixel cell of this OLED can be made of 2 * 2 elementary cells, this elementary cell as shown in Figure 4, OLED sends ruddiness among this embodiment, represents with R.As an object lesson among this embodiment, luminous sub-pixel size can be 8 * 8 μ m
2, the photodiode sub-pixel is same size 8 * 8 μ m
2, two adjacent photodiode photosensitive pixel unit centers of being made up of photodiode sensitization sub-pixel 1,2,3,4 are 160 μ m apart from (also being the centre-to-centre spacing of two adjacent photosensitive units), as shown in Figure 5.Pixel adopts the benefit of this arrangement architecture to be: display brightness significantly improves, and display resolution also improves, and has guaranteed that also this image sensor array has suitable resolution simultaneously.
Among the another kind of embodiment, the structure of 4 * 4 photosensitive units as shown in Figure 6.4 * 4 photosensitive units comprise that 4 square photodiode sub-pixels 1,2,3,4 constitute 2 * 2 photodiode photosensitive pixel unit, and the luminous sub-pixel of a plurality of OLED that centers on this photodiode photosensitive pixel unit, the pixel of this OLED image transmission/reception device of formation 4 * 4.The luminous sub-pixel of a plurality of OLED can have identical or different OLED structure, thereby sends colourama.A kind of concrete example is to adopt white light OLED, and R/G/B realizes by colour filter.Based on this pixel cell, arranging along direction in length and breadth forms the pel array of this OLED image transmission/reception device, as shown in Figure 7.This line of pixels array structure can realize that coloured image shows and black and white imaging and near infrared imaging.
Consult Fig. 8 and Fig. 9, among the another kind of embodiment, in order to improve display performance, the full-luminous pixel cell of the one or more 4 onesize * 4OLED in interval between above-mentioned 4 * 4 photosensitive units.The full-luminous pixel cell of this OLED can be made of 2 * 2 elementary cells, and this elementary cell as shown in Figure 8.Elementary cell comprises 4 luminous sub-pixels of OLED, and these luminous sub-pixels have identical or different OLED structure, and can send colourama.A kind of concrete example is that each luminous sub-pixel adopts white light OLED, and R/G/B realizes not having colour filter on the W sub-pixel by colour filter.As an object lesson among this embodiment, luminous sub-pixel size is 8 * 8 μ m
2, the photodiode sub-pixel is of a size of 8 * 8 μ m equally
2, two adjacent photodiode photosensitive pixel unit center distances of being made up of photodiode sensitization sub-pixel 1,2,3,4 are 160 μ m, as shown in Figure 9.Pixel adopts the benefit of this arrangement architecture to be: can realize colour element, and improve display brightness and display resolution, guarantee that also this imageing sensor has suitable resolution simultaneously.
Among the another kind of embodiment, 4 * 4 photosensitive units as shown in figure 10.4 * 4 photosensitive units comprise that 4 photodiode sensitization sub-pixels 1,2,3,4 constitute 2 * 2 photodiode photosensitive pixel unit, and the onesize luminous sub-pixel of a plurality of OLED around the photodiode unit, to constitute the pixel of 4 * 4 OLED image transmission/reception device.Each has colour filter above the photodiode sub-pixel, and colour filter can adopt typical Bayer arrangement mode, wherein sub-pixel 1,3 corresponding green photodiode, sub-pixel 2 corresponding blue photosensitive units, sub-pixel 4 corresponding red photosensitive units.The luminous sub-pixel of each OLED has identical or different OLED structure, sends colourama.A kind of concrete example is that the luminous sub-pixel of each OLED adopts white light OLED, and R/G/B realizes by colour filter.Based on this 4 * 4 photosensitive unit, along the adjacent arrangement of direction in length and breadth, or the full-luminous pixel cell of the one or more OLED in interval.Wherein the full-luminous pixel of OLED has the R/G/B/W arrangement mode.As an object lesson among this embodiment, luminous sub-pixel size is 8 * 8 μ m
2, the photodiode sub-pixel size is similarly 8 * 8 μ m
2, two adjacent photodiode photosensitive pixel unit center distances of being made up of photodiode sensitization sub-pixel 1,2,3,4 are 160 μ m, as shown in figure 11.Pixel adopts this arrangement architecture, can form high-quality coloured image.
Other embodiment are about a kind of integrated OLED image transmission/reception device, consult Fig. 1, and it has photodiode and OLED on substrate, the substrate, and photodiode and OLED can have the line of pixels array structure of above-mentioned arbitrary embodiment, repeat no more herein.
Above content be in conjunction with concrete preferred implementation to further describing that the present invention does, can not assert that concrete enforcement of the present invention is confined to these explanations.For the general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, can also make some simple deduction or replace, all should be considered as belonging to protection scope of the present invention.
Claims (10)
1. the line of pixels array structure of an integrated OLED image transmission/reception device, described OLED image transmission/reception device comprises the luminous OLED that is used on the photodiode that is used for sensitization on substrate, the described substrate and the described substrate, it is characterized in that, described line of pixels array structure is formed by described photodiode and described OLED, wherein
N * n photodiode photosensitive pixel unit by n * n photodiode sensitization sub-pixel constitutes with the luminous sub-pixel of a plurality of OLED around described n * n photodiode photosensitive pixel unit, constitutes (n+2) * (n+2) photosensitive unit,
Array is arranged to form in a plurality of described (n+2) * (n+2) photosensitive unit edge direction in length and breadth,
N 〉=2 wherein.
2. line of pixels array structure as claimed in claim 1 is characterized in that, laterally or vertically, and two adjacent (n+2) * (n+2) one or more OLED luminescence units that constituted by the luminous sub-pixel of OLED at interval between the photosensitive unit.
3. line of pixels array structure as claimed in claim 1 or 2 is characterized in that, the luminous sub-pixel of a plurality of OLED that centers on described n * n photodiode photosensitive pixel unit has structure identical or inequality.
4. line of pixels array structure as claimed in claim 1 or 2, it is characterized in that, the luminous sub-pixel of described a plurality of OLED is launched R/G/B monochromatic light, white light or colourama on the whole, and each monochromatic light in the described colourama is obtained by colour filter by the luminous sub-pixel of white light OLED or obtained by the luminous sub-pixel of R/G/B monochromatic light OLED.
5. line of pixels array structure as claimed in claim 2 is characterized in that, the luminous sub-pixel of OLED that constitutes described OLED luminescence unit has structure identical or inequality.
6. line of pixels array structure as claimed in claim 2, it is characterized in that, described OLED luminescence unit is launched R/G/B monochromatic light, white light or colourama on the whole, and each monochromatic light in the described colourama is obtained by colour filter by the luminous sub-pixel of white light OLED or obtained by the luminous sub-pixel of R/G/B monochromatic light OLED.
7. line of pixels array structure as claimed in claim 1 or 2 is characterized in that, colour imaging is realized by colour filter in described n * n photodiode photosensitive pixel unit.
8. line of pixels array structure as claimed in claim 7, it is characterized in that, n is 2, described n * n photodiode photosensitive pixel unit is 2 * 2 photodiode photosensitive pixel unit, the corresponding green photodiode of upper left photodiode sensitization sub-pixel wherein, the corresponding blue colour photodiode of the photodiode sensitization sub-pixel of lower-left, the corresponding green photodiode of the photodiode sensitization sub-pixel of bottom right, the corresponding red photodiode of upper right photodiode sensitization sub-pixel.
9. line of pixels array structure as claimed in claim 1 or 2 is characterized in that, the size of the luminous sub-pixel of OLED and photodiode sensitization sub-pixel is 8 * 8 μ m
2, the centre-to-centre spacing of two adjacent (n+2) * (n+2) photosensitive units is 160 μ m.
10. integrated OLED image transmission/reception device, comprise the luminous OLED that is used on the photodiode that is used for sensitization on substrate, the described substrate and the described substrate, it is characterized in that described photodiode and described OLED have as each described line of pixels array structure of claim 1 to 9.
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| CN105824124A (en) * | 2016-05-30 | 2016-08-03 | 京东方科技集团股份有限公司 | Display panel and display device |
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| CN107728361A (en) * | 2017-09-19 | 2018-02-23 | 捷开通讯(深圳)有限公司 | Display panel and electronic equipment with camera function |
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| CN109473467A (en) * | 2018-12-13 | 2019-03-15 | 武汉华星光电半导体显示技术有限公司 | Have the display panel and electronic device of sensitization function |
| CN109873017A (en) * | 2019-02-28 | 2019-06-11 | 维沃移动通信有限公司 | A kind of display panel and terminal |
| CN110650278A (en) * | 2019-10-12 | 2020-01-03 | Oppo广东移动通信有限公司 | Image sensor, camera module and electronic equipment |
| CN112863423A (en) * | 2021-02-22 | 2021-05-28 | 合肥维信诺科技有限公司 | Display panel and display device |
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| CN105006479A (en) * | 2014-04-23 | 2015-10-28 | 群创光电股份有限公司 | Display substrate and display device applying same |
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| CN112863423A (en) * | 2021-02-22 | 2021-05-28 | 合肥维信诺科技有限公司 | Display panel and display device |
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