CN2842478Y - Plane displaying apparatus - Google Patents
Plane displaying apparatus Download PDFInfo
- Publication number
- CN2842478Y CN2842478Y CN 200520064600 CN200520064600U CN2842478Y CN 2842478 Y CN2842478 Y CN 2842478Y CN 200520064600 CN200520064600 CN 200520064600 CN 200520064600 U CN200520064600 U CN 200520064600U CN 2842478 Y CN2842478 Y CN 2842478Y
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- Prior art keywords
- liquid crystal
- display apparatus
- electrode
- flat display
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Abstract
The utility model relates to a flat panel display device which comprises a first basal plate, a second basal plate which is arranged corresponding to the first basal plate and a pixel region which is arranged between the first basal plate and the second basal plate, wherein the pixel region comprises an organic electroluminescence display region and a liquid crystal display region.
Description
[technical field]
The utility model is about a kind of flat display apparatus.
[background technology]
Flat display apparatus has characteristics such as low diathermaneity, compact and power consumption are low because of it, thus day by day extensive in the use, and along with the ripe and innovation of correlation technique, its kind is also various day by day.
Flat display apparatus can be divided into outer light source display device and self-emission display apparatus according to its illumination mode.Outer light source display device such as liquid crystal indicator (Liquid CrystalDisplay, LCD), self-emission display apparatus such as organic electroluminescence display device (OrganicLight Emitting Display, OLED).
Liquid crystal indicator can be divided into penetration liquid crystal display device, reflective LCD device and semi-penetrating semi-reflecting type liquid crystal displaying device.Penetration liquid crystal display device is made up of liquid crystal panel and backlight arrangement, reflective LCD device is to utilize reflectance coating or the extraneous natural light of reflective electrodes reflects to realize showing, semi-penetrating semi-reflecting type liquid crystal displaying device then is to utilize backlight and extraneous natural light to realize that semi-penetration semi-reflective shows simultaneously.
Organic electroluminescence display device 1 structure as shown in Figure 1, it comprises a glass substrate 10, forms metal anode layer 11, hole injection layer 12, hole transmission layer 13, luminous organic material layer 14, electron transfer layer 15, electron injecting layer 16 and metallic cathode layer 17 successively at this glass substrate 10.During work, form potential difference (PD) between metal anode layer 11 and the metallic cathode layer 17, hole injection layer 12 produces a large amount of holes and electronics respectively with electron injecting layer 16, it passes through the transmission of hole transmission layer 13 and electron transfer layer 15 respectively, and is luminous in conjunction with (Recombination) makes luminous organic material discharge photon again in luminous organic material layer 14.
This organic electroluminescence display device 1 has higher demonstration briliancy and contrast when placing the more weak environment of ambient light.But when this organic electroluminescence display device 1 placed the stronger environment of ambient light, it showed that briliancy and contrast can reduce significantly, and this moment, the display effect of this organic electroluminescence display device 1 was not good.
[utility model content]
The flat display apparatus that provides a kind of display effect good is provided the not good problem of display effect in order to solve organic electroluminescence display device in the prior art.
The utility model one embodiment provides a kind of flat display apparatus, it comprises the pixel region of second substrate, between this first substrate and second substrate that one first substrate, one and first substrate are oppositely arranged, and this pixel region comprises an organic electric-excitation luminescent viewing area and a liquid crystal display area.
Compared with prior art, flat display apparatus of the present utility model has following advantage: when this flat display apparatus places the more weak environment of ambient light, this organic electric-excitation luminescent viewing area can have higher demonstration briliancy and contrast, makes this flat display apparatus have good display effect.When this flat display apparatus placed the stronger environment of ambient light, the liquid crystal display area of this tool reflection function can effectively be utilized ambient light, make this flat display apparatus keep higher demonstration briliancy and contrast, so its display effect was good.
[description of drawings]
Fig. 1 is the structural representation of prior art organic electroluminescence display device.
Fig. 2 is the structural representation of the utility model flat display apparatus first embodiment.
Fig. 3 is the structural representation of the utility model flat display apparatus second embodiment.
Fig. 4 is the structural representation of the utility model flat display apparatus the 3rd embodiment.
[embodiment]
Seeing also Fig. 2, is the structural representation of the utility model flat display apparatus first embodiment.This flat display apparatus 100 comprises that second substrate 120, that one first substrate 110, one and first substrate 110 are oppositely arranged is positioned at the pixel region of 110,120 of this two substrates.
One first electrode 111 is arranged on the inboard of first substrate 110, and one second electrode 117 is arranged on the inboard of second substrate 120.One polaroid 140 is arranged on the outside of this first substrate 110.
This pixel region comprises first viewing area and second viewing area, and this first viewing area is the organic electric-excitation luminescent viewing area, and this second viewing area is the reflection type liquid crystal viewing area.In first viewing area, the inboard of first electrode 111 sets gradually hole injection layer 112 and hole transmission layer 113, the inboard of second electrode 117 sets gradually electron injecting layer 116 and electron transfer layer 115, one luminous organic material layers 114 are arranged between this hole transmission layer 113 and the electron transfer layer 115.In second viewing area, a liquid crystal layer 130 is arranged between this first electrode 111 and second electrode 117, and a reflectance coating 131 is arranged between this liquid crystal layer 130 and second electrode 117.
This reflectance coating 131 is made by reflective material, and as argent, aluminium etc., it is provided with a plurality of projections (Bump) near on surface of liquid crystal layer 130.This first electrode 111 is made by transparent material, as tin indium oxide (Indium Tin Oxide, ITO) or indium zinc oxide (Indium ZincOxide, IZO) etc.
During work, form potential difference (PD) between first electrode 111 and second electrode 117, in this first viewing area, hole injection layer 112 produces a large amount of holes and electronics respectively with electron injecting layer 116, it passes through the transmission of hole transmission layer 113 and electron transfer layer 115 respectively, luminous in conjunction with (Recombination) makes luminous organic material discharge photon again in luminous organic material layer 114, reach the effect of display image.In second viewing area, reflectance coating 131 reflections are from the ambient light of first substrate, 110 incidents, and the ambient light that is reflected from 110 outgoing of first substrate, reaches the effect of display image behind liquid crystal layer 130.
When this flat display apparatus 100 placed the more weak environment of ambient light, this organic electric-excitation luminescent viewing area can have higher demonstration briliancy and contrast, makes this flat display apparatus 100 have good display effect.When this flat display apparatus 100 placed the stronger environment of ambient light, this reflection type liquid crystal viewing area can effectively utilize ambient light, make this flat display apparatus 100 keep higher demonstration briliancy and contrast, so its display effect was good.
For making this flat display apparatus 100 have better display effect, can adjust the area ratio of first viewing area and second viewing area according to these flat display apparatus 100 normally used external environments.In the utility model, the ratio of the area of this first viewing area and pixel region area can be between 10% to 90%.
Seeing also Fig. 3, is the structural representation of the utility model flat display apparatus second embodiment.This flat display apparatus 200 is roughly the same with the structure of flat display apparatus 100, its difference is: in second viewing area, one semi-penetration semi-reflective film 231 is arranged between this liquid crystal layer 230 and second electrode 217, this semi-penetration semi-reflective film 231 for thickness less than 100 how rice metal film or by the staggered successively dielectric film that forms of pressing of tin indium oxide, titania (TiO2).This second electrode 217 adopts transparent material to make, and this semi-penetration semi-reflective film 231 can reflect the ambient light from first substrate 210.
Seeing also Fig. 4, is the structural representation of the utility model flat display apparatus the 3rd embodiment.This flat display apparatus 300 is roughly the same with the structure of flat display apparatus 100, and its difference is: a plurality of apertures 332 are set on this reflectance coating 331, and this second electrode 317 adopts transparent material to make.
When this flat display apparatus placed the more weak environment of ambient light, this organic electric-excitation luminescent viewing area can have higher demonstration briliancy and contrast, makes this flat display apparatus have good display effect.When this flat display apparatus placed the stronger environment of ambient light, the liquid crystal display area of this tool reflection function can effectively be utilized ambient light, make this flat display apparatus keep higher demonstration briliancy and contrast, so its display effect was good.
Claims (12)
1. flat display apparatus, it comprises the pixel region of second substrate, between this first substrate and second substrate that one first substrate, one and first substrate are oppositely arranged, and it is characterized in that: this pixel region comprises an organic electric-excitation luminescent viewing area and a liquid crystal display area.
2. flat display apparatus as claimed in claim 1 is characterized in that: this liquid crystal display area is the reflection type liquid crystal viewing area.
3. flat display apparatus as claimed in claim 1 is characterized in that: this liquid crystal display area is the semi-penetration, semi-reflective liquid crystal display area.
4. flat display apparatus as claimed in claim 1 is characterized in that: the ratio of the area of this organic electric-excitation luminescent viewing area and pixel region area is between 10% to 90%.
5. flat display apparatus as claimed in claim 1 is characterized in that: the ratio of the area of this liquid crystal display area and pixel region area is between 10% to 90%.
6. flat display apparatus as claimed in claim 1 is characterized in that: the inboard of this first substrate is provided with one first electrode, and the inboard of this second substrate is provided with one second electrode.
7. flat display apparatus as claimed in claim 6, it is characterized in that: in the organic electric-excitation luminescent viewing area, the inboard of first electrode sets gradually hole injection layer and hole transmission layer, the inboard of second electrode sets gradually electron injecting layer and electron transfer layer, and a luminous organic material layer is arranged between this hole transmission layer and the electron transfer layer.
8. flat display apparatus as claimed in claim 7 is characterized in that: in liquid crystal display area, a liquid crystal layer is arranged between this first electrode and second electrode, and a reflectance coating is arranged between this liquid crystal layer and second electrode.
9. flat display apparatus as claimed in claim 8, it is characterized in that: reflectance coating is made by reflective material, and it is provided with a plurality of projections near on the surface of liquid crystal layer.
10. flat display apparatus as claimed in claim 8 is characterized in that: a plurality of apertures are set on this reflectance coating, and this second electrode is a transparency electrode.
11. flat display apparatus as claimed in claim 7 is characterized in that: in liquid crystal display area, a liquid crystal layer is arranged between this first electrode and second electrode, and a semi-penetration semi-reflective film is arranged between this liquid crystal layer and second electrode.
12. flat display apparatus as claimed in claim 11 is characterized in that: this semi-penetration semi-reflective film be thickness less than 100 how rice metal film and by staggered successively one of the dielectric film that forms of pressing of tin indium oxide, titania; This second electrode is a transparency electrode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520064600 CN2842478Y (en) | 2005-09-13 | 2005-09-13 | Plane displaying apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520064600 CN2842478Y (en) | 2005-09-13 | 2005-09-13 | Plane displaying apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2842478Y true CN2842478Y (en) | 2006-11-29 |
Family
ID=37446360
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520064600 Expired - Lifetime CN2842478Y (en) | 2005-09-13 | 2005-09-13 | Plane displaying apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2842478Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100403100C (en) * | 2005-11-25 | 2008-07-16 | 群康科技(深圳)有限公司 | Plan display device |
| WO2021189557A1 (en) * | 2020-03-26 | 2021-09-30 | 武汉华星光电半导体显示技术有限公司 | Double-sided display and manufacturing method therefor |
| US11532685B2 (en) | 2020-03-26 | 2022-12-20 | Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd. | Doubled-side display device and manufacturing method thereof |
-
2005
- 2005-09-13 CN CN 200520064600 patent/CN2842478Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100403100C (en) * | 2005-11-25 | 2008-07-16 | 群康科技(深圳)有限公司 | Plan display device |
| WO2021189557A1 (en) * | 2020-03-26 | 2021-09-30 | 武汉华星光电半导体显示技术有限公司 | Double-sided display and manufacturing method therefor |
| US11532685B2 (en) | 2020-03-26 | 2022-12-20 | Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd. | Doubled-side display device and manufacturing method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20061129 |
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| EXPY | Termination of patent right or utility model |