CN100458502C - Reflection liquid crystal display assembly - Google Patents
Reflection liquid crystal display assembly Download PDFInfo
- Publication number
- CN100458502C CN100458502C CNB2005101238978A CN200510123897A CN100458502C CN 100458502 C CN100458502 C CN 100458502C CN B2005101238978 A CNB2005101238978 A CN B2005101238978A CN 200510123897 A CN200510123897 A CN 200510123897A CN 100458502 C CN100458502 C CN 100458502C
- Authority
- CN
- China
- Prior art keywords
- liquid crystal
- substrate
- crystal layer
- crystal display
- reflection
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Abstract
The invention provides a reflective-type liquid crystal display components which includes: first base plate, second base plate and a liquid crystal layer with cholesterol phase liquid crystal. The invention using the design of the first and second base plate or at least one of them opposite to said liquid crystal layer to incline to different direction according to the need of every area of screw axis of cholesterol phase liquid crystal, it can increases the bandwidth of reflectance spectrum, and be propitious to generate the wide view angle.
Description
Technical field
The invention relates to a kind of reflective liquid-crystal display; Particularly relevant for a kind of reflective cholesteric lcds.
Background technology
LCD mainly comprises a pair of substrate and is held between the two liquid crystal layer.When driving voltage is bestowed at the foregoing liquid crystal layer, can control the orientation of liquid crystal molecule in the foregoing liquid crystal layer, make the extraneous light that is incident in the foregoing liquid crystal layer be subjected to modulation, and demonstrate needed image at display panel.LCD uses cholesteric liquid crystal phase (cholesteric liquid crystal) for everybody knows, and cholesteric liquid crystal phase comprises and for example itself can represent the liquid crystal of cholesterol phase or add the nematic crystal of property molecule (chiral agent) (nematic crystal liquid) personally.Cholesteric liquid crystal phase has helical structure, has three kinds of molecules align states when it is held between the two substrates and is subjected to extra electric field as the time spent: reflection attitude (planar state), scattering states (focal conic state) and homeotropic alignment attitude (homeotropic state).Aforementioned three kinds of molecules align states of cholesteric liquid crystal phase show different penetrances and reflectivity to incident light.Therefore, can be by the size of controlling extra electric field to select the molecules align state of cholesteric liquid crystal phase, to reach the purpose of show image.For example, can use the cholesterol phase-nematic phase transformation pattern show image that utilizes homeotropic alignment attitude and scattering states, or use bistable (bistable mode) show image that utilizes reflection attitude and scattering states.
After the characteristics of bistable are that even extra electric field disappears, reflection attitude and scattering states still exist, and claimed be bistable state.When cholesteric liquid crystal phase was in the reflection attitude, it can represent optionally reflection characteristic in visible-range, and the reflected light that obtains becoming clear.In other words, cholesteric lcds can manifest bright image not using under polarization sheet or the colored filter situation.
Cholesteric liquid crystal phase quite is fit to develop reflective monochrome liquid crystal display owing to have bistable state and high reflectance characteristic; Yet the reflected light color (frequency spectrum) that is subject to cholesteric liquid crystal phase can change with angle is different, and the improvement of visual angle problem is present considerable problem.Catoptrical wavelength is relevant with the pitch of cholesteric liquid crystal phase, for the screw axis that makes the cholesteric liquid crystal phase in the liquid crystal layer is the multi-direction distribution of various dimensions, so that have various effective pitches in the liquid crystal layer, to widen the reflected light frequency spectrum, United States Patent (USP) is disclosed in the surface of the relative liquid crystal layer of substrate for No. 6809788 and handles, make cholesteric liquid crystal phase near the close substrate surface of handling, can present many dimension multidirectionals but comparatively chaotic arrangement, as shown in Figure 1.Yet the method for this United States Patent (USP) only can make near the cholesteric liquid crystal phase screw axis the substrate surface tilt, and but can not have influence on the comparatively liquid crystal molecule of internal layer, so effect is limited.
In view of the above, demand providing a kind of cholesteric lcds structure of improvement urgently, it can overcome above-mentioned disappearance.
Summary of the invention
Fundamental purpose of the present invention is to provide a kind of reflection type liquid crystal display member, utilize the substrate surface structure Design, make cholesteric liquid crystal phase in liquid crystal layer, have different the sensing in each zone, to widen the reflected light frequency spectrum, and reflection luminous energy is evenly spread, be beneficial to produce wide viewing angle.
Another object of the present invention is to provide a kind of reflection type liquid crystal display member, utilization is with respect to the substrate surface structural design of liquid crystal layer, with under the situation that does not increase additional member, make reflection luminous energy evenly spread and be mixed into white light, to be fit to be applied to reflective monochrome liquid crystal display, its technology is simple, can reduce manufacturing cost.
Another purpose of the present invention is to provide a kind of reflection type liquid crystal display member, utilizes the substrate surface structure with respect to liquid crystal layer, and the reflection luminous energy of specific wavelength is evenly spread, and is beneficial to make the colour liquid crystal display device of wide viewing angle.
A further object of the present invention is to provide a kind of reflection type liquid crystal display member, and it need not use members such as polarization sheet, colored filter and backlight, cpable of lowering power consumption.
For achieving the above object, reflection type liquid crystal display member provided by the invention comprises:
One first substrate;
One second substrate; And
One liquid crystal layer, between this first substrate and this second substrate, this liquid crystal layer comprises cholesteric liquid crystal phase;
Wherein this first substrate and this second substrate have the concaveconvex structure of two dimension at least with respect to the surface of this liquid crystal layer.
Wherein this concaveconvex structure is the large-scale warp architecture of the periodicity that matches each other.
Wherein the structure of this concaveconvex structure makes the screw axis of this cholesteric liquid crystal phase that the foregoing liquid crystal layer is interior have different sensings in the zones of different in the foregoing liquid crystal layer with shape.
Wherein the structure of this concaveconvex structure makes the screw axis of this cholesteric liquid crystal phase that the foregoing liquid crystal layer is interior have different sensings in the zones of different in the foregoing liquid crystal layer with shape.
Wherein at least one surface with respect to this liquid crystal layer forms an electrode layer in this first substrate and this second substrate, so that this liquid crystal layer is applied electric field.
Wherein the large-scale warp architecture of this periodicity that matches each other comprises three second periodicity structures.
Wherein at least one surface with respect to this liquid crystal layer forms an electrode layer in this first substrate and this second substrate, so that this liquid crystal layer is applied electric field.
According to reflection liquid crystal display assembly provided by the invention, it comprises:
One first substrate;
One second substrate;
One liquid crystal layer, between this first substrate and this second substrate, this liquid crystal layer comprises cholesteric liquid crystal phase; And
One dielectric layer is formed at this first substrate and this second substrate surface with respect to this liquid crystal layer, and this dielectric layer has the concaveconvex structure of two dimension at least.
Wherein this concaveconvex structure is the large-scale warp architecture of the periodicity that matches each other.
Wherein the structure of this concaveconvex structure makes the screw axis of this cholesteric liquid crystal phase that the foregoing liquid crystal layer is interior have different sensings in the zones of different in the foregoing liquid crystal layer with shape.
Wherein the structure of this concaveconvex structure makes the screw axis of this cholesteric liquid crystal phase that the foregoing liquid crystal layer is interior have different sensings in the zones of different in the foregoing liquid crystal layer with shape.
Wherein this dielectric layer surface forms an electrode layer, so that this liquid crystal layer is applied electric field.
Wherein the large-scale warp architecture of this periodicity that matches each other comprises three second periodicity structures.
Wherein this dielectric layer surface forms an electrode layer, so that this liquid crystal layer is applied electric field.
Description of drawings
Fig. 1 is the schematic cross-section of known cholesteric lcds;
Fig. 2 is the unit structure schematic cross-section of first preferred embodiment of reflection type liquid crystal explicit component of the present invention;
Fig. 3 is the unit structure schematic cross-section of the reflection liquid crystal display assembly of Fig. 2, wherein demonstrate between the two substrates apart from and the single Cycle Length of substrate periodic structure;
Fig. 4 A to Fig. 4 D is respectively 0 degree, 15 degree, 30 degree and the 45 reflected light frequency spectrums of spending directions on the substrate normal angular separation for the reflection liquid crystal display assembly of Fig. 2 under natural light environment;
Fig. 5 is the unit structure schematic cross-section of second preferred embodiment of reflection liquid crystal display assembly of the present invention;
Fig. 6 is the unit structure schematic cross-section of the 3rd preferred embodiment of reflection liquid crystal display assembly of the present invention; And
Fig. 7 is the unit structure schematic cross-section of the 4th preferred embodiment of reflection liquid crystal display assembly of the present invention.
Embodiment
The arrangement of cholesteric liquid crystal phase molecule is a kind of spiral helicine periodic structure.This periodic structure can be suitable with its pitch to wavelength light, produce Bragg reflection (λ=np, n are the mean refractive index of cholesteric liquid crystal phase, and p is the pitch of cholesteric liquid crystal phase), so reflected light is generally certain a bit of monochromatic light on the frequency spectrum.Catoptrical wavelength is relevant with the pitch of cholesteric liquid crystal phase, and along with the increase of pitch, reflected light moves toward long wavelength's direction, and reflecting spectrum also increases thereupon.When the screw axis and the substrate normal direction of cholesteric liquid crystal phase molecule is θ
CLCDuring angle tilt, the effective pitch that screw axis tilts will make the vertical incidence light sensation to be subjected to shortens.When the screw axis tiltangle
CLCBigger, reflected light more moves toward short wavelength's direction.So different screw axis tiltangle
CLC, can obtain different reflected light frequency spectrums.Therefore, when the pitch of cholesteric liquid crystal phase changes with the position, can expect to reach the purpose that the reflecting spectrum frequency range strengthens.
The present invention proposes a kind of substrate surface structure Design, makes the cholesteric liquid crystal phase in the liquid crystal layer change the tiltangle of its screw axis along with the variation of substrate surface planform
CLCThe screw axis that makes each regional cholesteric liquid crystal phase in liquid crystal layer is different sensings with the variation of substrate surface configuration, make cholesteric liquid crystal phase in liquid crystal layer, have various effective pitches, and then catoptrical frequency range is strengthened, and the structural design by substrate surface is contributed to multi-angle Bragg reflection, and then reflected light can be evenly distributed on each angle, be beneficial to produce broad visual angle.
Specifically say, the present invention forms the concaveconvex structure structure of two dimension at least on the surface of the relative liquid crystal layer of substrate, make the cholesteric liquid crystal phase of the zones of different in the liquid crystal layer experience different substrate surface configurations, and change its screw axis tiltangle along the substrate surface configuration
CLCAnd then make helical axis directions each zone in liquid crystal layer of the cholesteric liquid crystal phase in the liquid crystal layer be the multidirectional distribution of various dimensions, and then by the formed warp architecture of the large-scale concaveconvex structure of substrate surface, Bragg reflection is contributed to multi-angle, and then reflected light can evenly be spread, to produce broad visual angle.
Moreover, on technology, can utilize modes such as gold-tinted technology, printing or pressing mold, produce needed substrate surface configuration, re-use the formula injection method that drips (One Drop Filling, ODF) or relevant device such as ink-jet inject liquid crystal between two substrates.
Below by the specific embodiment conjunction with figs., will be described in detail as follows content of the present invention.
Fig. 2 is the unit structure schematic cross-section of first preferred embodiment of reflection liquid crystal display assembly of the present invention, the corresponding pixel cell of the unit structure of aforementioned reflection liquid crystal display assembly.In first preferred embodiment, this reflection liquid crystal display assembly 2 comprises one first substrate 20, one second substrate 22 and the liquid crystal layer between first substrate 20 and second substrate 22, has cholesteric liquid crystal phase 24.Aforementioned first substrate 20 and second substrate 22 all have a kind of two-dimentional waveform periodic structure with respect to the surface of this liquid crystal layer, and first substrate 20 and second substrate, 22 apparent surfaces' two-dimentional waveform periodic structure matches each other.Consult Fig. 3, the single Cycle Length of aforementioned first substrate 20 and second substrate, 22 apparent surfaces' two-dimentional waveform periodic structure is 41.4 microns (μ m), its corresponding pixel cell, the allowable angle of inclination on substrate waves shape wave surface is 40 degree, and distance is 2.8 microns between between first substrate 20 and second substrate 24, cholesteric liquid crystal phase 24 its pitch of injecting wherein are 350 millimicrons, and the pitch number is 8.See also Fig. 2 again, cholesteric liquid crystal phase 24 in the liquid crystal layer is adjusted its helical axis directions with first substrate 20 of present position correspondence and the surfac topography of second substrate 22, and makes screw axis each zone in liquid crystal layer of cholesteric liquid crystal phase 24 be the multidirectional distribution of various dimensions.
Moreover, preferably, can form an electrode layer 26,28 respectively with the surface of second substrate, 28 relative liquid crystal layers at first substrate 20, be beneficial to apply electric field and give liquid crystal layer.
Fig. 4 A to Fig. 4 D is that reflection liquid crystal display assembly 2 shown in Figure 2 is respectively 0 degree, 15 degree, 30 degree and the 45 reflected light frequency spectrums of spending on the directions with the substrate normal angular separation under natural light environment.The reflected light frequency spectrum shown according to Fig. 4 A to Fig. 4 D, can obviously find out in the different visual angles direction and can obtain consistent reflected light frequency spectrum, its reflected light frequency spectrum can widen to containing whole visible-range, and it is only variant slightly to reflect spectral intensity, so first substrate 20 of provable aforementioned reflection liquid crystal display assembly 2 can make reflected light be multi-angle with the surperficial two-dimentional waveform periodic structure of second substrate, 22 relative liquid crystal layers evenly to spread really, and the white light that makes each angle obtain to mix.
Reflection liquid crystal display assembly 2 of the present invention also can use flat first substrate 20 and second substrate 22, and form the dielectric layer of tool two dimension waveform periodic structure respectively on first substrate 20 and the surface of second substrate, 22 relative liquid crystal layers, form an electrode layer in the surface of this tool two dimension waveform periodic structure again, be beneficial to apply electric field and give liquid crystal layer.
Fig. 5 is the unit structure schematic cross-section of second preferred embodiment of reflection liquid crystal display assembly of the present invention, its difference place with reflection liquid crystal display assembly 2 shown in Figure 2 is that the surface that is first substrate 20 and second substrate, 22 relative liquid crystal layers forms different periodic structures, wherein the surface of first substrate, 20 relative liquid crystal layers forms the prismatoid 20a that all size differs, and the surperficial various prismatoid 20a of the surface structure 22a of second substrate, 22 relative positions and first substrate 20 match each other.The substrate surface periodic structure of Fig. 5 also can make the screw axis of cholesteric liquid crystal phase 24 have different sensings in each zone of liquid crystal layer, make cholesteric liquid crystal phase 24 in liquid crystal layer, have various effective pitches, and the reflected light frequency spectrum is strengthened, and make reflected light be multi-angle evenly to spread, be beneficial to mix and form white light at each visual angle.
Moreover, also can use flat first substrate 20 and second substrate 22 in second preferred embodiment, and form a dielectric layer respectively with the surface of second substrate, 22 relative liquid crystal layers with aforementioned periodic structure at first substrate 20.
Fig. 6 is the unit structure schematic cross-section of the 3rd preferred embodiment of reflection liquid crystal display assembly of the present invention, it is that first substrate 20 is become to have a plurality of spherical convex body 20b, 22b with the surface design of second substrate, 22 relative liquid crystal layers, and the spherical convex body 22b on the spherical convex body 20b on first substrate, 20 surfaces and second substrate, 22 surfaces is the diagonal line corresponding relation.Spherical convex body structure 20b, 22b by first substrate 20 and second substrate, 22 relative liquid crystal layer surfaces, also can make screw axis each zone in liquid crystal layer of cholesteric liquid crystal phase 24 have different sensings, and then catoptrical frequency spectrum is strengthened, and reflected light can evenly diffuse to each angle, is beneficial to obtain on each visual angle the white light of mixing.
Also can use flat first substrate 20 and second substrate 22 in the 3rd preferred embodiment, and form a dielectric layer respectively with the surface of second substrate, 22 relative liquid crystal layers with aforementioned spherical convex body structure 20b, 22b at first substrate 20.
Moreover reflection liquid crystal display assembly of the present invention also can be designed to be beneficial to the making that is applied in colour liquid crystal display device.Unit structure with a corresponding pixel, aforementioned pixel can have ruddiness time pixel, green glow time pixel and blue light time pixel, and the present invention can go up a kind of periodicity concaveconvex structure of two dimension at least that red, green and blue light can be evenly spread in formation in first substrate 20 and second substrate, 22 surfaces of relative liquid crystal layer.Aforementioned periodicity concaveconvex structure comprises three second periodicity concaveconvex structure structures, respectively corresponding ruddiness time pixel, green glow time pixel and blue light time pixel.First substrate 20 and second substrate, 22 the tools periodically surface of concaveconvex structure can form an electrode layer, this electrode layer has a plurality of sub-electrodes, the corresponding ruddiness of difference time pixel, green glow time pixel and blue light time pixel, give this grade pixel to apply other effect electric field, be beneficial to make colour reflective formula LCD.
Fig. 7 is the unit structure schematic cross-section of the 4th preferred embodiment of reflection liquid crystal display assembly of the present invention, it is a plurality of irregular convex body 20c, the 22c that forms the tool periodic structure on first substrate 20 and the surface of second substrate, 22 relative liquid crystal layers respectively, and the irregular convex body 22c on the irregular convex body 20c on first substrate, 20 surfaces and second substrate, 22 surfaces is the diagonal line corresponding relation.The substrate surface configuration of the 4th preferred embodiment also can make it obtain the reflected light of maximum reflection intensity on the certain viewing angles direction except can making that the reflecting spectrum frequency range of reflection liquid crystal display assembly of the present invention strengthens.So the reflection liquid crystal display assembly of the 4th preferred embodiment is applicable on the reflective liquid-crystal display that uses certain viewing angles.
In addition, also can use flat first substrate 20 and second substrate 22 in the 4th preferred embodiment, and form a dielectric layer respectively with the surface of second substrate, 22 relative liquid crystal layers with aforementioned irregular convex body 20c, 22c at first substrate 20.Reflection liquid crystal display assembly of the present invention is the warp architecture design that utilizes the substrate surface two dimension of relative liquid crystal layer, makes the reflected light frequency spectrum can widen to containing whole visible-range, and reflected light can evenly spread, and then enlarges the visual angle.Reflection liquid crystal display assembly of the present invention will help the colour liquid crystal display device of wide viewing angle and the development of monochrome liquid crystal display.
The above is specific embodiments of the invention only, is not in order to limit claim of the present invention; All other do not break away from the equivalence of being finished under the spirit described in the invention and changes or modification, all should be included in the claim.
Claims (5)
1. reflection liquid crystal display assembly, it comprises:
One first substrate;
One second substrate; And
One liquid crystal layer, between this first substrate and this second substrate, this liquid crystal layer comprises cholesteric liquid crystal phase;
Wherein this first substrate and this second substrate with respect to the surface of this liquid crystal layer have two dimension at least match each other the large-scale warp architecture of periodicity, this structure makes the screw axis of this cholesteric liquid crystal phase that the foregoing liquid crystal layer is interior have different sensings in the zones of different in the foregoing liquid crystal layer with its shape.
2. reflection liquid crystal display assembly as claimed in claim 1 is characterized in that, wherein this first substrate and this second substrate form an electrode layer respectively with respect to the surface of this liquid crystal layer, so that this liquid crystal layer is applied electric field.
3. reflection liquid crystal display assembly as claimed in claim 1 is characterized in that, wherein this periodic structure comprises three second periodicity structures.
4. reflection liquid crystal display assembly as claimed in claim 3 is characterized in that, wherein this first substrate and this second substrate form an electrode layer respectively with respect to the surface of this liquid crystal layer, so that this liquid crystal layer is applied electric field.
5, reflection liquid crystal display assembly as claimed in claim 1 is characterized in that, the described large-scale warp architecture of the periodicity that matches each other of two dimension is at least formed by dielectric material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005101238978A CN100458502C (en) | 2005-11-23 | 2005-11-23 | Reflection liquid crystal display assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005101238978A CN100458502C (en) | 2005-11-23 | 2005-11-23 | Reflection liquid crystal display assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1971348A CN1971348A (en) | 2007-05-30 |
| CN100458502C true CN100458502C (en) | 2009-02-04 |
Family
ID=38112249
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005101238978A Expired - Fee Related CN100458502C (en) | 2005-11-23 | 2005-11-23 | Reflection liquid crystal display assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100458502C (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102707473A (en) * | 2012-04-28 | 2012-10-03 | 京东方科技集团股份有限公司 | Liquid crystal panel and liquid crystal display |
| CN106155447A (en) * | 2016-07-14 | 2016-11-23 | 深圳市唯酷光电有限公司 | Capacitance plate and liquid crystal handwriting device |
| CN106527007B (en) * | 2016-07-28 | 2017-11-24 | 深圳市唯酷光电有限公司 | Classroom liquid crystal blackboard system, blackboard brush, flexible hand-writing liquid crystal screen and its manufacture method |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4264149A (en) * | 1978-08-30 | 1981-04-28 | U.S. Philips Corporation | Liquid crystal display device |
| JPH07159763A (en) * | 1993-12-09 | 1995-06-23 | Matsushita Electron Corp | Liquid crystal display device |
| JPH08152609A (en) * | 1994-03-18 | 1996-06-11 | Sharp Corp | Liquid crystal display element and its production |
| US5731861A (en) * | 1995-05-02 | 1998-03-24 | Minolta Co., Ltd. | Composite material, display device using the same and process of manufacturing the same |
| JP2001083485A (en) * | 1999-09-13 | 2001-03-30 | Fuji Xerox Co Ltd | Display device |
| CN1331429A (en) * | 2000-06-30 | 2002-01-16 | 美能达株式会社 | Liquid crystal displaying component and its mfg. method |
| JP2002014328A (en) * | 2000-04-24 | 2002-01-18 | Nec Kagoshima Ltd | Liquid crystal display device and method for manufacturing the same |
-
2005
- 2005-11-23 CN CNB2005101238978A patent/CN100458502C/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4264149A (en) * | 1978-08-30 | 1981-04-28 | U.S. Philips Corporation | Liquid crystal display device |
| JPH07159763A (en) * | 1993-12-09 | 1995-06-23 | Matsushita Electron Corp | Liquid crystal display device |
| JPH08152609A (en) * | 1994-03-18 | 1996-06-11 | Sharp Corp | Liquid crystal display element and its production |
| US5731861A (en) * | 1995-05-02 | 1998-03-24 | Minolta Co., Ltd. | Composite material, display device using the same and process of manufacturing the same |
| JP2001083485A (en) * | 1999-09-13 | 2001-03-30 | Fuji Xerox Co Ltd | Display device |
| JP2002014328A (en) * | 2000-04-24 | 2002-01-18 | Nec Kagoshima Ltd | Liquid crystal display device and method for manufacturing the same |
| CN1331429A (en) * | 2000-06-30 | 2002-01-16 | 美能达株式会社 | Liquid crystal displaying component and its mfg. method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1971348A (en) | 2007-05-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR0148502B1 (en) | Lcd device | |
| KR100421601B1 (en) | Display device | |
| US7639327B2 (en) | Liquid crystal display and electronic apparatus having a quasi-isotropic liquid crystal material | |
| US7589809B2 (en) | Reflective plate, production method therefor, liquid crystal device, and electronic device | |
| KR20080026599A (en) | Multilayer reflective liquid crystal display element | |
| WO2006129986A1 (en) | Full color lcd and manufacturing thereof | |
| US5798809A (en) | Liquid crystal display panel | |
| JPH08227071A (en) | Reflection type liquid crystal display element | |
| US7193674B2 (en) | Liquid crystal display device and method of fabricating the same | |
| CN100458502C (en) | Reflection liquid crystal display assembly | |
| US6812977B1 (en) | Liquid crystal element | |
| US7843535B2 (en) | Reflective liquid crystal display assembly | |
| JP2003140183A (en) | Reflective liquid crystal display device | |
| US20090244452A1 (en) | Liquid crystal display element and electronic paper utilizing the same | |
| CN100472282C (en) | Liquid crystal display device | |
| EP1271225A1 (en) | Bistable nematic liquid crystal device | |
| US7557884B2 (en) | Bistable liquid crystal device | |
| JPH07199205A (en) | Liquid crystal display element | |
| JPH07239471A (en) | Reflection type liquid crystal display device | |
| CN100390642C (en) | Liquid crystal display apparatus | |
| JP2003098523A (en) | Semitransmissive liquid crystal display device | |
| JPH0990353A (en) | Reflection type liquid crystal display element | |
| JPH08220533A (en) | Reflection type liquid crystal display device and manufacture of its reflection layer | |
| JP2001154190A (en) | Reflection type color liquid crystal display device | |
| JP2004347686A (en) | Bistable nematic liquid crystal display device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090204 Termination date: 20161123 |