CN1979285A - Liquid-crystal display device - Google Patents
Liquid-crystal display device Download PDFInfo
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- CN1979285A CN1979285A CN 200510102114 CN200510102114A CN1979285A CN 1979285 A CN1979285 A CN 1979285A CN 200510102114 CN200510102114 CN 200510102114 CN 200510102114 A CN200510102114 A CN 200510102114A CN 1979285 A CN1979285 A CN 1979285A
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- liquid crystal
- substrate
- crystal indicator
- organic electroluminescence
- electroluminescence cell
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Abstract
The invention relates to a liquid crystal display (LCD), comprising: a first substrate, a second substrate, a liquid crystal unit and an organic electroluminescent unit, where the two substrates are opposite to each other, the liquid crystal unit and the organic electroluminescent unit are stacked in turn between the two substrates. And the LCD is thinner.
Description
[technical field]
The present invention relates to a kind of liquid crystal indicator.
[background technology]
Liquid crystal indicator has advantages such as low diathermaneity, frivolous and power consumption are low because of it, and is therefore 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.
The liquid crystal indicator structure of prior art as shown in Figure 1, this liquid crystal indicator 100 comprises liquid crystal panel 120 and module backlight 160, these liquid crystal panel 120 and these module 160 stacked settings backlight, this liquid crystal panel 120 is used for display image data, and this module 160 backlight provides brightness abundance and uniform in-plane light for this liquid crystal panel 120.
This liquid crystal panel 120 comprises first substrate 121, public electrode 123, liquid crystal layer 125, pixel electrode 127 and second substrate 129, this first substrate 121 and second substrate 129 are oppositely arranged, this public electrode 123 is arranged on this first substrate, 121 inside surfaces, this pixel electrode 127 is arranged on this second substrate, 129 inside surfaces, and this liquid crystal layer 125 is arranged between this public electrode 123 and the pixel electrode 127.
This module 160 backlight comprises brightening piece 161, diffuser plate 162, a plurality of line source 163, reflector plate 164 and framework 165, these a plurality of line sources 163 are arranged in this framework 165, this reflector plate 164 is arranged between these a plurality of line sources 163 and this framework 165, and this diffuser plate 162 and brightening piece 161 are cascading between this framework 165 and liquid crystal panel 120.
Because the module backlight 160 of liquid crystal indicator 100 needs by optical elements such as diffuser plate 162, reflector plate 164 and brightening pieces 161 emergent light of line source 163 to be converted to brightness abundance and uniform in-plane light, therefore to comprise element more and thicker for module 160 backlight, thereby cause this liquid crystal indicator 100 thicker.
In addition, when liquid crystal indicator 100 is positioned at the high light environment,, makes that the contrast of itself and high light environment is lower, thereby make that these liquid crystal indicator 100 display effects are relatively poor because the display frame brightness of this liquid crystal indicator 100 is lower.
[summary of the invention]
In order to solve the thicker problem of liquid crystal indicator of the prior art, be necessary to provide a kind of liquid crystal indicator of thinner thickness.
In addition, in order to solve the relatively poor problem of liquid crystal indicator display effect of the prior art, be necessary the liquid crystal indicator that provides a kind of display effect preferable.
A kind of liquid crystal indicator, it comprises one first substrate, one second substrate, a liquid crystal cells and an organic electroluminescence cell, these two substrates are oppositely arranged, and this liquid crystal cells and organic electroluminescence cell are cascading between this first substrate to the second substrate.
Another kind of liquid crystal indicator, it comprises one first substrate, one second substrate, a liquid crystal cells and an organic electroluminescence cell, these two substrates are oppositely arranged, this liquid crystal cells and organic electroluminescence cell are cascading between this first substrate to the second substrate, this organic electroluminescence cell comprises anode, organic electro luminescent layer and the negative electrode that is cascading, contiguous this liquid crystal cells of one of two electrodes of this organic electroluminescence cell, then contiguous this second substrate of another electrode, the electrode of contiguous this second substrate is a reflecting electrode.
Another liquid crystal indicator, it comprises one first substrate, one second substrate, a liquid crystal cells, an organic electroluminescence cell and a reflector element, these two substrates are oppositely arranged, this liquid crystal cells and organic electroluminescence cell are cascading between this first substrate to the second substrate, this organic electroluminescence cell comprises anode, organic electro luminescent layer and the negative electrode that is cascading, and this reflector element is used for reflecting the light that external environment penetrates this liquid crystal cells and this organic electroluminescence cell.
Compared with prior art, above-mentioned liquid crystal indicator provides light source by organic electroluminescence cell, and with organic electroluminescence cell and liquid crystal cells is stacked in the lump is arranged between two substrates.Because organic electroluminescence cell is an area source, its brightness is sufficient and even, and thickness as thin as a wafer, therefore, this organic electroluminescence cell need not other element to carry out light source conversion brightness abundance and uniform in-plane light can be provided, thereby makes the liquid crystal indicator thinner thickness.In addition, the light that reflecting electrode or the reflector element of above-mentioned liquid crystal indicator by organic electroluminescence cell can reflect this liquid crystal indicator of external environment incident, with the display brightness that improves this liquid crystal indicator and with the contrast of external environment, thereby make that the display effect of this liquid crystal indicator is preferable.
[description of drawings]
Fig. 1 is the synoptic diagram of prior art liquid crystal indicator.
Fig. 2 is positioned at the light path synoptic diagram of low light environment for liquid crystal indicator first embodiment of the present invention.
Fig. 3 is positioned at the light path synoptic diagram of high light environment for liquid crystal indicator first embodiment of the present invention.
Fig. 4 is positioned at the light path synoptic diagram of high light environment for liquid crystal indicator second embodiment of the present invention.
Fig. 5 is positioned at the light path synoptic diagram of high light environment for liquid crystal indicator the 3rd embodiment of the present invention.
[embodiment]
First embodiment of liquid crystal indicator of the present invention as shown in Figure 2.This liquid crystal indicator 200 comprises first substrate 210, second substrate 220, liquid crystal cells 230, organic electroluminescence cell 240, compensate film 250, polaroid 260, transparent insulating layer 270 and colored light-filtering units 280.This first substrate 210 and second substrate 220 are oppositely arranged, this liquid crystal cells 230, transparent insulating layer 270 and organic electroluminescence cell 240 are cascading in this first substrate 210 between this second substrate 220, this compensate film 250 and polaroid 260 are cascading in these first substrate, 210 outsides, and this colored light-filtering units 280 is arranged between this first substrate 210 and the liquid crystal cells 230.
This liquid crystal cells 230 comprises public electrode 231, liquid crystal layer 232 and pixel electrode 233.This public electrode 231, liquid crystal layer 232 and pixel electrode 233 are cascading between this colored light-filtering units 280 and transparent insulating layer 270.
This organic electroluminescence cell 240 comprises negative electrode 241, electron injecting layer 242, electron transfer layer 243, organic electro luminescent layer 244, hole transmission layer 245, hole injection layer 246 and anode 247.This anode 247, hole injection layer 246, hole transmission layer 245, organic electro luminescent layer 244, electron transfer layer 243, electron injecting layer 242 and negative electrode 241 are cascading between this transparent insulating layer 270 and second substrate 220.
The reflecting electrode that this negative electrode 241 is made for the metallic conduction material, this metallic conduction material comprises among aluminium, gold, silver, chromium, nickel, titanium, copper, molybdenum, the niobium at least a, this negative electrode 241 can have diffuse reflective structure, and this diffuse reflective structure is the uneven scattering surface that a plurality of projections constitute.
This anode 247 is made for conductive material, it can be transparent conductive material, as at least a among tin indium oxide, the indium zinc oxide, also can be the metal conductive film of thinner thickness, to such an extent as to light can see through, this metal conductive film comprises among aluminium, gold, silver, chromium, nickel, titanium, copper, molybdenum, the niobium at least a.
During organic electroluminescence cell 240 work, form potential difference (PD) between negative electrode 241 and the anode 247, electron injecting layer 242 and hole injection layer 246 produce a large amount of electronics and hole respectively, this electronics and hole be respectively via the transmission of electron transfer layer 243 and hole transmission layer 245, in organic electro luminescent layer 244 in conjunction with and discharge photon and luminous.
Fig. 2 also is the light path synoptic diagram that liquid crystal indicator 200 is positioned at low light environment.At this moment, this liquid crystal indicator 200 is the transmission-type display mode, and this liquid crystal indicator 200 for liquid crystal cells 230 provides light source, makes liquid crystal indicator 200 display images by organic electroluminescence cell 240.
See also Fig. 3, the light path synoptic diagram when being positioned at the high light environment for liquid crystal indicator.At this moment, this liquid crystal indicator 200 is reflective display mode, this liquid crystal indicator 200 is injected the light of liquid crystal indicator 200 by the negative electrode 241 reflection external environments of organic electroluminescence cell 240, with the display brightness that improves this liquid crystal indicator 200 and with the contrast of external environment, therefore, these liquid crystal indicator 200 display effects are preferable.This liquid crystal indicator 200 can be closed organic electroluminescence cell 240 when reflective display mode, to reduce power consumption, conserve energy.
This liquid crystal indicator 200 provides light source by organic electroluminescence cell 240, and with organic electroluminescence cell 240 and liquid crystal cells 230 is stacked in the lump is arranged between two substrates.Because organic electroluminescence cell 240 is an area source, its brightness is sufficient and even, and thickness as thin as a wafer, therefore, this organic electroluminescence cell 240 need not other element to carry out light source conversion brightness abundance and uniform in-plane light can be provided, thereby makes liquid crystal indicator 200 thinner thicknesses.
In addition, when being positioned at the high light environment, this liquid crystal indicator 200 can do reflective demonstration, reflect the light of these liquid crystal indicators 200 of external environment incident by the reflecting electrode 241 of organic electroluminescence cell 240, with the display brightness that improves this liquid crystal indicator 200 and with the contrast of external environment, thereby make that the display effect of this liquid crystal indicator 200 is preferable.
The structure of above-mentioned liquid crystal indicator 200 can also have following change design: the negative electrode 241 contiguous insulation courses 270 of this liquid crystal indicator 200, the inside surface of anode 247 contiguous second substrates 220 of this liquid crystal indicator 200; This negative electrode 241 can be transparent conductive material, as at least a among tin indium oxide, the indium zinc oxide, also can be the metal conductive film of thinner thickness, to such an extent as to light can see through, this metal conductive film comprises among aluminium, gold, silver, chromium, nickel, titanium, copper, molybdenum, the niobium at least a; The reflecting electrode that this anode 247 is made for the metallic conduction material, this metallic conduction material comprises among aluminium, gold, silver, chromium, nickel, titanium, copper, molybdenum, the niobium at least a, this anode 247 can have diffuse reflective structure, and this diffuse reflective structure is the uneven scattering surface that a plurality of projections constitute.
Second embodiment of liquid crystal indicator of the present invention as shown in Figure 4.This liquid crystal indicator 300 comprises first substrate 310, second substrate 320, liquid crystal cells 330, organic electroluminescence cell 340, compensate film 350, polaroid 360, transparent insulating layer 370, colored light-filtering units 380 and reflector element 390.This first substrate 310 and second substrate 320 are oppositely arranged, this liquid crystal cells 330, transparent insulating layer 370, organic electroluminescence cell 340 and reflector element 390 are cascading in this first substrate 310 between this second substrate 320, this compensate film 350 and polaroid 360 are cascading in these first substrate, 310 outsides, these colored light-filtering units 380 stacked being arranged between this first substrate 310 and the liquid crystal cells 330.This reflector element 390 is used for reflecting the light that external environment penetrates this liquid crystal cells 330 and this organic electroluminescence cell 340, to improve the display brightness of this liquid crystal indicator 300.
This liquid crystal cells 330 comprises public electrode 331, liquid crystal layer 332 and pixel electrode 333.This public electrode 331, liquid crystal layer 332 and pixel electrode 333 are cascading between this colored light-filtering units 380 and transparent insulating layer 370.
This organic electroluminescence cell 340 comprises negative electrode 341, electron injecting layer 342, electron transfer layer 343, organic electro luminescent layer 344, hole transmission layer 345, hole injection layer 346 and anode 347.This negative electrode 341, electron injecting layer 342, electron transfer layer 343, organic electro luminescent layer 344, hole transmission layer 345, hole injection layer 346 and anode 347 are cascading between this transparent insulating layer 370 and second substrate 320.
This negative electrode 341 and anode 347 are made for conductive material, it can be transparent conductive material, as at least a among tin indium oxide, the indium zinc oxide, can also be the metal conductive film of thinner thickness, to such an extent as to light can see through, this metal conductive film comprises among aluminium, gold, silver, chromium, nickel, titanium, copper, molybdenum, the niobium at least a.This reflector element 390 is made for reflective material, it comprises among aluminium, gold, silver, chromium, nickel, titanium, copper, molybdenum, niobium, the titania at least a, this reflector element 390 can have diffuse reflective structure, and this diffuse reflective structure is the uneven scattering surface that a plurality of projections constitute.
During organic electroluminescence cell 340 work, form potential difference (PD) between negative electrode 341 and the anode 347, electron injecting layer 342 and hole injection layer 346 produce a large amount of electronics and hole respectively, this electronics and hole be respectively via the transmission of electron transfer layer 343 and hole transmission layer 345, in organic electro luminescent layer 344 in conjunction with and discharge photon and luminous.
Fig. 4 still is the light path synoptic diagram that liquid crystal indicator 300 is positioned at the high light environment.At this moment, this liquid crystal indicator 300 is reflective display mode, this liquid crystal indicator 300 is injected the light of liquid crystal indicator 300 by reflector element 390 reflection external environments, make the display brightness of this liquid crystal indicator 300 improve, therefore, these liquid crystal indicator 300 display effects are preferable.This liquid crystal indicator 300 can be closed organic electroluminescence cell 340 when reflective display mode, to reduce power consumption, conserve energy.
When this liquid crystal indicator 300 was positioned at low light environment, this liquid crystal indicator 300 was the transmission-type display mode, and this liquid crystal indicator 300 for liquid crystal cells 330 provides light source, makes liquid crystal indicator 300 display images by organic electroluminescence cell 340.
This liquid crystal indicator 300 provides light source by organic electroluminescence cell 340, and with organic electroluminescence cell 340 and liquid crystal cells 330 is stacked in the lump is arranged between two substrates.Because organic electroluminescence cell 340 is an area source, its brightness is sufficient and even, and thickness as thin as a wafer, therefore, this organic electroluminescence cell 340 need not other element to carry out light source conversion brightness abundance and uniform in-plane light can be provided, thereby makes liquid crystal indicator 300 thinner thicknesses.
In addition, can be when this liquid crystal indicator 300 is positioned at the high light environment by the light of reflector element 390 these liquid crystal indicators 300 of reflection external environment incident, with the display brightness that improves this liquid crystal indicator 300 and with the contrast of external environment, thereby make that the display effect of this liquid crystal indicator 300 is preferable.
The structure of above-mentioned liquid crystal indicator 300 can also have following change design: the anode 347 contiguous insulation courses 270 of this liquid crystal indicator 300, the inside surface of negative electrode 341 contiguous second substrates 320 of this liquid crystal indicator 300.
The 3rd embodiment of liquid crystal indicator of the present invention as shown in Figure 5.The present embodiment and the second embodiment difference are: the reflector element 490 of this liquid crystal indicator 400 is arranged on second substrate, 420 outsides.
Claims (10)
1. liquid crystal indicator, it comprises: one first substrate, one second substrate, a liquid crystal cells and an organic electroluminescence cell, these two substrates are oppositely arranged, and this liquid crystal cells and organic electroluminescence cell are cascading between this first substrate to the second substrate.
2. liquid crystal indicator as claimed in claim 1 is characterized in that: this organic electroluminescence cell comprises anode, organic electro luminescent layer and the negative electrode that is cascading.
3. liquid crystal indicator, it comprises: one first substrate, one second substrate, a liquid crystal cells and an organic electroluminescence cell, these two substrates are oppositely arranged, this liquid crystal cells and organic electroluminescence cell are cascading between this first substrate to the second substrate, this organic electroluminescence cell comprises anode, organic electro luminescent layer and the negative electrode that is cascading, contiguous this liquid crystal cells of one of two electrodes of this organic electroluminescence cell, then contiguous this second substrate of another electrode, the electrode of contiguous this second substrate is a reflecting electrode.
4. liquid crystal indicator as claimed in claim 3 is characterized in that: contiguous this second substrate of this anode.
5. liquid crystal indicator as claimed in claim 3 is characterized in that: contiguous this second substrate of this negative electrode.
6. liquid crystal indicator as claimed in claim 3 is characterized in that: this reflecting electrode is made for the metallic conduction material.
7. a liquid crystal indicator, it comprises: one first substrate, one second substrate, a liquid crystal cells, an organic electroluminescence cell and a reflector element, these two substrates are oppositely arranged, this liquid crystal cells and organic electroluminescence cell are cascading between this first substrate to the second substrate, this organic electroluminescence cell comprises anode, organic electro luminescent layer and the negative electrode that is cascading, and this reflector element is used for reflecting the light that external environment penetrates this liquid crystal cells and this organic electroluminescence cell.
8. liquid crystal indicator as claimed in claim 7 is characterized in that: this reflector element is arranged between the organic electroluminescence cell and second substrate.
9. liquid crystal indicator as claimed in claim 7 is characterized in that: this reflector element is arranged on second substrate outside.
10. liquid crystal indicator as claimed in claim 7 is characterized in that: this reflector element is that reflective material is made, and it comprises among aluminium, gold, silver, chromium, nickel, titanium, copper, molybdenum, niobium, the titania at least a.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005101021148A CN100468158C (en) | 2005-12-01 | 2005-12-01 | Liquid-crystal display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005101021148A CN100468158C (en) | 2005-12-01 | 2005-12-01 | Liquid-crystal display device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1979285A true CN1979285A (en) | 2007-06-13 |
| CN100468158C CN100468158C (en) | 2009-03-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005101021148A Expired - Fee Related CN100468158C (en) | 2005-12-01 | 2005-12-01 | Liquid-crystal display device |
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| Country | Link |
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| CN (1) | CN100468158C (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104183714A (en) * | 2013-05-22 | 2014-12-03 | 海洋王照明科技股份有限公司 | Organic light emission diode and preparation method thereof, display screen and terminal |
| CN104183720A (en) * | 2013-05-22 | 2014-12-03 | 海洋王照明科技股份有限公司 | Organic light emission diode, display screen and terminal |
| CN109973935A (en) * | 2019-03-27 | 2019-07-05 | 京东方科技集团股份有限公司 | OLED light emitting device and tail-light |
-
2005
- 2005-12-01 CN CNB2005101021148A patent/CN100468158C/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104183714A (en) * | 2013-05-22 | 2014-12-03 | 海洋王照明科技股份有限公司 | Organic light emission diode and preparation method thereof, display screen and terminal |
| CN104183720A (en) * | 2013-05-22 | 2014-12-03 | 海洋王照明科技股份有限公司 | Organic light emission diode, display screen and terminal |
| CN109973935A (en) * | 2019-03-27 | 2019-07-05 | 京东方科技集团股份有限公司 | OLED light emitting device and tail-light |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100468158C (en) | 2009-03-11 |
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