CN1749821A - Semi-penetrating semi-reflecting type liquid crystal displaying device - Google Patents
Semi-penetrating semi-reflecting type liquid crystal displaying device Download PDFInfo
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- CN1749821A CN1749821A CNA2004100515644A CN200410051564A CN1749821A CN 1749821 A CN1749821 A CN 1749821A CN A2004100515644 A CNA2004100515644 A CN A2004100515644A CN 200410051564 A CN200410051564 A CN 200410051564A CN 1749821 A CN1749821 A CN 1749821A
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Abstract
The invention provides a kind of semi-penetrating semi-reflecting type liquid crystal displaying device, it comprises first substrate, second substrate, a liquid crystal layer, a public electrode and a transparent pixels electrode, this liquid crystal layer is sandwiched between this first substrate and this second substrate, this public electrode is arranged on the inside surface of first substrate, this transparent pixels electrode is arranged on the inside surface of second substrate, wherein the outside surface of second substrate is provided with a reflection subassembly, and an opening is set on this reflection subassembly.
Description
[technical field]
The invention relates to a kind of liquid crystal indicator, particularly about a kind of semi-penetrating semi-reflecting type liquid crystal displaying device.
[background technology]
Liquid crystal indicator is because of characteristics such as have low diathermaneity, volume is compact and power consumption is low, 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.
According to the difference of light source that liquid crystal indicator utilizes, it can be divided into penetration liquid crystal display device and reflective LCD device.Penetration liquid crystal display device must be provided with a backlight at the display panels back side and show to realize image, but the power consumption of backlight accounts for whole penetration liquid crystal display device power consumption half, so the power consumption of penetration liquid crystal display device is bigger.Reflective LCD device can solve the big shortcoming of penetration liquid crystal display device power consumption, but is difficult to realize that image shows under the fainter environment of light.Semi-penetrating semi-reflecting type liquid crystal displaying device can solve above problem.
See also Fig. 1, it is the United States Patent (USP) the 6th of bulletin on Dec 10th, 2002,493, the semi-penetrating semi-reflecting type liquid crystal displaying device that is disclosed for No. 051, this liquid crystal indicator 1 comprise two relative transparent upper 10 and the opposite side that infrabasal plate 20, a liquid crystal layer 30 are sandwiched between this upper substrate 10 and the infrabasal plate 20, a backlight arrangement 40 is arranged on these infrabasal plate 20 relative upper substrates 10.
One transparent common electrode 11 is arranged on the inside surface of this upper substrate 10, on one on the retardation plate 14 and a Polarizer 15 be successively set on the outer surface of this upper substrate 10.One pixel electrode 21 is arranged on the inner surface of this infrabasal plate 20, wherein this pixel electrode 21 comprises through electrode 22 and reflecting electrode 23, once retardation plate 24, once Polarizer 25 and a reflectance coating 26 are successively set on the outer surface of this infrabasal plate 20, wherein through electrode 22 zones of these reflectance coating 26 respective pixel electrodes 21 are provided with an open area 27.
When this liquid crystal indicator 1 was realized demonstration work, a part of light 41 that backlight arrangement 40 sends realized penetrating demonstration through open area 27, through electrode 22 and liquid crystal layer 30 outgoing; Ambient light (figure does not show) is incident to reflecting electrode 23 from upper substrate 10 and is reflected, and passes through liquid crystal layer 30 outgoing again, realizes that reflection shows.
But, when this liquid crystal indicator 1 is realized demonstration work, another part light 42 that backlight arrangement 40 sends is incident on reflecting electrode 23 or the reflectance coating 26, reflexed to backlight arrangement 40 on this reflecting electrode 23 or the reflectance coating 26, can not realize penetrating demonstration, therefore another part light 42 of this backlight arrangement 40 is expended, and the light utilization efficiency of this liquid crystal indicator 1 is not high; This liquid crystal indicator 1 is for reflection of light, uses reflectance coating 26 and at the inner surface reflecting electrode 23 of infrabasal plate 20, therefore makes this liquid crystal indicator 1 complex structure at the outer surface of infrabasal plate 20; The through electrode 22 of this pixel electrode 21 is different with the material of reflecting electrode 23, needs to be formed on the infrabasal plate 20 in different fabrication steps under the different process conditions, therefore makes this liquid crystal indicator 1 processing procedure complexity.
[summary of the invention]
Prior art semi-penetrating semi-reflecting type liquid crystal displaying device light utilization efficiency is low in order to overcome, the defective of complex structure and processing procedure complexity, the invention provides a kind of light utilization efficiency height, the simple in structure and simple semi-penetrating semi-reflecting type liquid crystal displaying device of processing procedure.
The present invention also provides a kind of light utilization efficiency height, the simple in structure and simple semi-penetrating semi-reflecting type liquid crystal displaying device of processing procedure.
A kind of semi-penetrating semi-reflecting type liquid crystal displaying device, it comprises first substrate, second substrate, a liquid crystal layer, a public electrode and a transparent pixels electrode, this liquid crystal layer is sandwiched between this first substrate and this second substrate, this public electrode is arranged on the inside surface of first substrate, this transparent pixels electrode is arranged on the inside surface of second substrate, wherein the outside surface of second substrate is provided with a reflection subassembly, and an opening is set on this reflection subassembly.
A kind of semi-penetrating semi-reflecting type liquid crystal displaying device, comprise first substrate, second substrate, a liquid crystal layer, a public electrode and a transparent pixels electrode, this liquid crystal layer is sandwiched between this first substrate and this second substrate, this public electrode is arranged on the inside surface of first substrate, this transparent pixels electrode is arranged on the inside surface of second substrate, and wherein the outside surface of second substrate is provided with a polarisation half reflection assembly.
Compare with prior art, semi-penetrating semi-reflecting type liquid crystal displaying device of the present invention has following advantage: because most of light that the backlight arrangement of liquid crystal indicator sends can be through the opening or the polarisation half reflection assembly of reflection subassembly, all can be used for penetrating demonstration, so the light utilization efficiency height of this liquid crystal indicator; This liquid crystal indicator is only arranged in pairs or groups and is used transparent pixels electrode and reflection subassembly or polarisation half reflection assembly, shows to realize reflection, therefore makes this liquid crystal indicator simple in structure; This transparent pixels electrode uses identical transparent material, can be formed on the substrate in the same process condition next time, therefore makes this liquid crystal indicator processing procedure simple.
[description of drawings]
Fig. 1 is the structural representation of prior art semi-penetrating semi-reflecting type liquid crystal displaying device.
Fig. 2 is the structural representation of semi-penetrating semi-reflecting type liquid crystal displaying device first embodiment of the present invention.
Fig. 3 is the structural representation of semi-penetrating semi-reflecting type liquid crystal displaying device second embodiment of the present invention.
Fig. 4 is the structural representation of semi-penetrating semi-reflecting type liquid crystal displaying device the 3rd embodiment of the present invention.
Fig. 5 is the structural representation of semi-penetrating semi-reflecting type liquid crystal displaying device the 4th embodiment of the present invention.
Fig. 6 is the structural representation of semi-penetrating semi-reflecting type liquid crystal displaying device the 5th embodiment of the present invention.
[embodiment]
Seeing also Fig. 2, is the structural representation of semi-penetrating semi-reflecting type liquid crystal displaying device first embodiment of the present invention.This liquid crystal indicator 100 comprises that two relative transparent upper 110 are sandwiched between this upper substrate 110 and the infrabasal plate 120 with infrabasal plate 120, one liquid crystal layers 130, and a backlight arrangement 140 is arranged on the opposite side of infrabasal plate 120 relative upper substrates 110.
One transparent common electrode 111 is arranged on the inside surface of this upper substrate 110, on one on the retardation plate 114 and a Polarizer 115 be successively set on the outer surface of this upper substrate 110.One pixel electrode 121 is arranged on the inner surface of this infrabasal plate 120, once retardation plate 124, a reflectance coating 126 and once Polarizer 125 be successively set on the outer surface of this infrabasal plate 120, wherein this reflectance coating 126 is provided with an open area 127.
The material of this public electrode 111 and pixel electrode 121 be tin indium oxide (Indium TinOxide, ITO) or indium zinc oxide (Indium Zinc Oxide, IZO); Should go up retardation plate 114 is quarter-wave plate with following retardation plate 124; This reflectance coating 126 is dielectric reflections film or high reflecting metal film, and the dielectric reflections film can use tin indium oxide, titania (TiO
2) staggered successively pressure the and the film made, the high reflecting metal film can use metallic aluminium; The open area 127 of this reflectance coating 126 can use transparent resin material to fill.
When this liquid crystal indicator 100 was realized demonstration work, most of light 141,142 that backlight arrangement 140 sends realized penetrating demonstration through open area 127, pixel electrode 121 and liquid crystal layer 130 outgoing; Ambient light (figure does not show) is incident to reflectance coating 126 from upper substrate 110 and is reflected, and passes through liquid crystal layer 130 outgoing again, realizes that reflection shows.
Because most of light 141,142 that the backlight arrangement 40 of liquid crystal indicator 100 sends all can be used for penetrating demonstration, so the light utilization efficiency height of this liquid crystal indicator 100; And this liquid crystal indicator 100 is only arranged in pairs or groups and is used transparent pixels electrode 121 and reflectance coating 126, shows to realize reflection, therefore makes this liquid crystal indicator 100 simple in structure; This transparent pixels electrode 121 uses identical transparent material, can be formed on the infrabasal plate 120 in the same process condition next time, therefore makes these liquid crystal indicator 100 processing procedures simple.
Seeing also Fig. 3, is the structural representation of semi-penetrating semi-reflecting type liquid crystal displaying device second embodiment of the present invention.This liquid crystal indicator 200 comprises that two relative transparent upper 210 are sandwiched between this upper substrate 210 and the infrabasal plate 220 with infrabasal plate 220, one liquid crystal layers 230, and a backlight arrangement 240 is arranged on the opposite side of infrabasal plate 220 relative upper substrates 210.
One transparent common electrode 211 is arranged on the inside surface of this upper substrate 210, on one on the retardation plate 214 and a Polarizer 215 be successively set on the outer surface of this upper substrate 210.One pixel electrode 221 is arranged on the inner surface of this infrabasal plate 220, a reflection delay film 226 and once Polarizer 225 be successively set on the outer surface of this infrabasal plate 220, wherein this reflection delay film 226 is provided with an open area 227.
This reflection delay film 226 comprises a metal film and retardation layer, and this retardation layer can be formed (Self Assembly) nanometer technology by nanometer micro-photographing process or oneself and be formed on metallic film surface, and this retardation layer can have quarter-wave delay to light.The open area 227 of this reflection delay film 226 can use transparent resin material to fill.
Seeing also Fig. 4, is the structural representation of semi-penetrating semi-reflecting type liquid crystal displaying device the 3rd embodiment of the present invention.This liquid crystal indicator 300 is roughly the same with liquid crystal indicator 200 structures of the present invention, its difference is: this liquid crystal indicator 300 also comprises a colored filter 316, this colored filter 316 is arranged on the inside surface of upper substrate 310, it comprises first 317 and second portion 318, the first 317 of this colored filter 316 is the zone corresponding with reflection delay film 326, second portion 318 is the zone corresponding with open area 327, and wherein first 317 is provided with a plurality of apertures 319.
Seeing also Fig. 5, is the structural representation of semi-penetrating semi-reflecting type liquid crystal displaying device the 4th embodiment of the present invention.This liquid crystal indicator 400 is roughly the same with liquid crystal indicator 200 structures of the present invention, its difference is: this liquid crystal indicator 400 also comprises a colored filter 416, this colored filter 416 is arranged on the inside surface of upper substrate 410, it comprises first 417 and second portion 418, the first 417 of this colored filter 416 is the zone corresponding with reflection delay film 426, second portion 418 is the zone corresponding with open area 427, and wherein the thickness of second portion 418 is roughly two times of first's 417 thickness.
Seeing also Fig. 6, is the structural representation of semi-penetrating semi-reflecting type liquid crystal displaying device the 5th embodiment of the present invention.This liquid crystal indicator 500 is roughly the same with liquid crystal indicator 200 structures of the present invention, its difference is: this liquid crystal indicator 500 also comprises a colored filter 516, this colored filter 516 is arranged on the inside surface of upper substrate 510, it comprises first 517 and second portion 518, the first 517 of this colored filter 516 is the zone corresponding with reflection delay film 526, second portion 518 is the zone corresponding with open area 527, wherein second portion 518 colour saturation be roughly first 517 two times of colour saturation.
In the first embodiment of the invention, this reflectance coating 126 can directly be plated on the subregion of this time Polarizer 125 by low temperature evaporation mode, forms a polarisation half reflection assembly; Certainly, also can form nanometer technology and on metallic film surface, form a retardation layer again by nanometer micro-photographing process or oneself.In the second embodiment of the invention, this metal film can directly be plated on the subregion of this time Polarizer 225 by low temperature evaporation mode, this retardation layer is formed on metallic film surface by nanometer micro-photographing process or oneself's composition nanometer technology then, forms a polarisation half reflection phase delay assembly.
The present invention third and fourth, in five embodiments, because ambient light (figure does not show) needs secondary through colored filter, the light that backlight arrangement sends once passes through colored filter, therefore by the thickness that aperture, second portion are set in colored filter first be roughly two times of first's thickness or second portion colour saturation be roughly first and modes such as two times of colour saturation, can use colourity unanimity, the effect that improves the liquid crystal indicator display quality is arranged at the emergent light that shows.
In first and second embodiment of the present invention, because most of light that the backlight arrangement of liquid crystal indicator sends all can be used for penetrating demonstration, so the light utilization efficiency height of this liquid crystal indicator; And transparent pixels electrode and reflectance coating or reflection delay film are used in this liquid crystal indicator collocation, show to realize reflection, therefore make this liquid crystal indicator simple in structure; This transparent pixels electrode uses identical transparent material, can be formed on the infrabasal plate in the same process condition next time, therefore makes this liquid crystal indicator processing procedure simple.
Claims (18)
1. semi-penetrating semi-reflecting type liquid crystal displaying device, comprise first substrate, second substrate, a liquid crystal layer, a public electrode and a transparent pixels electrode, this liquid crystal layer is sandwiched between this first substrate and this second substrate, this public electrode is arranged on the inside surface of first substrate, this transparent pixels electrode is arranged on the inside surface of second substrate, it is characterized in that: the outside surface of second substrate is provided with a reflection subassembly, and an opening is set on this reflection subassembly.
2. semi-penetrating semi-reflecting type liquid crystal displaying device as claimed in claim 1 is characterized in that: this reflection subassembly is a dielectric reflections film.
3. semi-penetrating semi-reflecting type liquid crystal displaying device as claimed in claim 2 is characterized in that: also be provided with a quarter-wave plate between this reflection subassembly and second substrate.
4. semi-penetrating semi-reflecting type liquid crystal displaying device as claimed in claim 1 is characterized in that: this reflection subassembly is a high reflecting metal film.
5. semi-penetrating semi-reflecting type liquid crystal displaying device as claimed in claim 4 is characterized in that: also be provided with a quarter-wave plate between this reflection subassembly and second substrate.
6. semi-penetrating semi-reflecting type liquid crystal displaying device as claimed in claim 1 is characterized in that: this reflection subassembly comprises that a metal film and covers the retardation layer of this metal film.
7. semi-penetrating semi-reflecting type liquid crystal displaying device as claimed in claim 6 is characterized in that: this retardation layer is formed on this metal film by the nanometer micro-photographing process.
8. semi-penetrating semi-reflecting type liquid crystal displaying device as claimed in claim 6 is characterized in that: this retardation layer is formed nanometer technology by the oneself and is formed on this metal film.
9. semi-penetrating semi-reflecting type liquid crystal displaying device as claimed in claim 1 is characterized in that: on this first substrate a colored filter is set also.
10. semi-penetrating semi-reflecting type liquid crystal displaying device as claimed in claim 9 is characterized in that: the zone of the corresponding reflection subassembly of this colored filter is provided with a plurality of apertures.
11. semi-penetrating semi-reflecting type liquid crystal displaying device as claimed in claim 9 is characterized in that: the thickness of the corresponding opening portion of this colored filter is two times of the corresponding reflection subassembly segment thickness of this colored filter.
12. semi-penetrating semi-reflecting type liquid crystal displaying device as claimed in claim 9 is characterized in that: the corresponding opening portion of this colored filter colour saturation be the corresponding reflection subassembly part of this colored filter two times of colour saturation.
13. semi-penetrating semi-reflecting type liquid crystal displaying device, comprise first substrate, second substrate, a liquid crystal layer, a public electrode and a transparent pixels electrode, this liquid crystal layer is sandwiched between this first substrate and this second substrate, this public electrode is arranged on the inside surface of first substrate, this transparent pixels electrode is arranged on the inside surface of second substrate, it is characterized in that: the outside surface of second substrate is provided with a polarisation half reflection assembly.
14. semi-penetrating semi-reflecting type liquid crystal displaying device as claimed in claim 13 is characterized in that: this polarisation half reflection assembly comprises a polaroid and a reflectance coating.
15. semi-penetrating semi-reflecting type liquid crystal displaying device as claimed in claim 14 is characterized in that: this reflectance coating is to be plated on the subregion of this Polarizer by low temperature evaporation mode.
16. semi-penetrating semi-reflecting type liquid crystal displaying device as claimed in claim 15 is characterized in that: also be provided with a retardation layer on this reflectance coating.
17. semi-penetrating semi-reflecting type liquid crystal displaying device as claimed in claim 16 is characterized in that: this retardation layer is formed on this reflectance coating by the nanometer micro-photographing process.
18. semi-penetrating semi-reflecting type liquid crystal displaying device as claimed in claim 16 is characterized in that: this retardation layer is formed nanometer technology by the oneself and is formed on this reflectance coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CNB2004100515644A CN100426076C (en) | 2004-09-17 | 2004-09-17 | Semi reflection semi penetration type liquid crystal display device |
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|---|---|---|---|
| CNB2004100515644A CN100426076C (en) | 2004-09-17 | 2004-09-17 | Semi reflection semi penetration type liquid crystal display device |
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| CN1749821A true CN1749821A (en) | 2006-03-22 |
| CN100426076C CN100426076C (en) | 2008-10-15 |
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Cited By (8)
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| CN101393346B (en) * | 2008-11-19 | 2011-11-30 | 友达光电股份有限公司 | LCD module |
| TWI381219B (en) * | 2008-11-10 | 2013-01-01 | Au Optronics Corp | Liquid crystal display module |
| CN103018949A (en) * | 2012-12-07 | 2013-04-03 | 京东方科技集团股份有限公司 | Liquid crystal panel and transmission-reflection type liquid crystal display (LCD) |
| CN102112909B (en) * | 2008-07-28 | 2013-07-24 | 奇像素公司 | Transflective display with white tuning |
| CN104793395A (en) * | 2015-04-30 | 2015-07-22 | 武汉华星光电技术有限公司 | Polaroid for liquid crystal display panel and liquid crystal display panel |
| CN105278154A (en) * | 2015-11-25 | 2016-01-27 | 武汉华星光电技术有限公司 | Liquid crystal display device and liquid crystal display panel thereof |
| CN108089363A (en) * | 2017-12-13 | 2018-05-29 | 合肥京东方光电科技有限公司 | Transflective array substrate, its driving and preparation method and display panel |
| CN109001939A (en) * | 2018-07-27 | 2018-12-14 | 武汉华星光电技术有限公司 | Half reflection and half transmission display panel and the display device for using the display panel |
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| KR100681764B1 (en) * | 1999-12-06 | 2007-02-15 | 엘지.필립스 엘시디 주식회사 | Transflective liquid crystal display device |
| JP4521089B2 (en) * | 2000-03-31 | 2010-08-11 | オプトレックス株式会社 | Transflective liquid crystal display panel and manufacturing method thereof |
| JP2003084122A (en) * | 2001-06-29 | 2003-03-19 | Koninkl Philips Electronics Nv | Color filter and liquid crystal display device using the same and method for manufacturing the same |
| KR100426963B1 (en) * | 2001-10-12 | 2004-04-14 | 엘지.필립스 엘시디 주식회사 | transflective liquid crystal display devices |
| KR100491257B1 (en) * | 2002-12-31 | 2005-05-24 | 엘지.필립스 엘시디 주식회사 | Transreflective liquid crystal display device |
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2004
- 2004-09-17 CN CNB2004100515644A patent/CN100426076C/en not_active Expired - Fee Related
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| CN102112909B (en) * | 2008-07-28 | 2013-07-24 | 奇像素公司 | Transflective display with white tuning |
| TWI381219B (en) * | 2008-11-10 | 2013-01-01 | Au Optronics Corp | Liquid crystal display module |
| CN101393346B (en) * | 2008-11-19 | 2011-11-30 | 友达光电股份有限公司 | LCD module |
| CN103018949A (en) * | 2012-12-07 | 2013-04-03 | 京东方科技集团股份有限公司 | Liquid crystal panel and transmission-reflection type liquid crystal display (LCD) |
| CN103018949B (en) * | 2012-12-07 | 2015-07-15 | 京东方科技集团股份有限公司 | Liquid crystal panel and transmission-reflection type liquid crystal display (LCD) |
| CN104793395A (en) * | 2015-04-30 | 2015-07-22 | 武汉华星光电技术有限公司 | Polaroid for liquid crystal display panel and liquid crystal display panel |
| CN105278154A (en) * | 2015-11-25 | 2016-01-27 | 武汉华星光电技术有限公司 | Liquid crystal display device and liquid crystal display panel thereof |
| WO2017088204A1 (en) * | 2015-11-25 | 2017-06-01 | 武汉华星光电技术有限公司 | Liquid crystal display device and liquid crystal display panel thereof |
| CN108089363A (en) * | 2017-12-13 | 2018-05-29 | 合肥京东方光电科技有限公司 | Transflective array substrate, its driving and preparation method and display panel |
| CN108089363B (en) * | 2017-12-13 | 2020-11-20 | 合肥京东方光电科技有限公司 | Semi-transparent semi-reflective array substrate, driving and preparation method thereof and display panel |
| US11327354B2 (en) | 2017-12-13 | 2022-05-10 | Hefei Boe Optoelectronics Technology Co., Ltd. | Array substrate, method of driving array substrate, method of fabricating array substrate, and display panel |
| CN109001939A (en) * | 2018-07-27 | 2018-12-14 | 武汉华星光电技术有限公司 | Half reflection and half transmission display panel and the display device for using the display panel |
| WO2020019419A1 (en) * | 2018-07-27 | 2020-01-30 | 武汉华星光电技术有限公司 | Semi-reflective and semi-transmissive display panel, and display apparatus using the display panel |
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| CN100426076C (en) | 2008-10-15 |
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