CN102654682B - Transflective mode conversion method and liquid crystal display panel - Google Patents
Transflective mode conversion method and liquid crystal display panel Download PDFInfo
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- CN102654682B CN102654682B CN201210048815.8A CN201210048815A CN102654682B CN 102654682 B CN102654682 B CN 102654682B CN 201210048815 A CN201210048815 A CN 201210048815A CN 102654682 B CN102654682 B CN 102654682B
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1347—Arrangement of liquid crystal layers or cells in which the final condition of one light beam is achieved by the addition of the effects of two or more layers or cells
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1347—Arrangement of liquid crystal layers or cells in which the final condition of one light beam is achieved by the addition of the effects of two or more layers or cells
- G02F1/13478—Arrangement of liquid crystal layers or cells in which the final condition of one light beam is achieved by the addition of the effects of two or more layers or cells based on selective reflection
Abstract
The embodiment of the invention provides a transflective mode conversion method and a liquid crystal display panel, relating to the field of manufacturing of a liquid crystal display, wherein aperture ratio of the liquid crystal display and optical efficiency utilization rate are improved by regulating voltage and converting a transflective mode of the liquid crystal display panel. The liquid crystal display panel comprises an upper polarizer, a lower polarizer, a second substrate arranged below the upper polarizer and a first substrate arranged above the lower polarizer, wherein a reflection polarizer is arranged between the first substrate and the second substrate; a first liquid crystal layer is arranged between the first substrate and the reflection polarizer, and a second liquid crystal layer is arranged between the reflection polarizer and the second substrate; and a first electrode is arranged between the lower polarizer and the first substrate, a second electrode is arranged on the reflection polarizer, and a third electrode is arranged between the second substrate and the upper polarizer. The embodiment of the invention is applicable to transflective mode conversion of the liquid crystal display.
Description
Technical field
The present invention relates to liquid crystal display and manufacture field, particularly relate to a kind of anti-pattern conversion method and display panels thoroughly.
Background technology
Along with portable and widespread use that is outdoor type information terminal electronic equipment, semi-transparent semi-reflective liquid crystal display device obtains the favor of people.Semitransparent liquid crystal display has the feature of transmission-type and reflected displaying device concurrently, has good visibility and have good visuality equally under sunshine strong out of doors under dark situation.
Half traditional transflective liquid crystal display panel is that each pixel is divided into two sub-pixs: transmission area and echo area.Transmission area works in the transmission mode under dark situation, and echo area is in this reflection mode at outside work.Because each pixel is divided in order to two sub-pixs, thus cause that the aperture opening ratio of half transflective lcd is low, optical efficiency utilization factor is low, simultaneously transmissivity and reflectivity also very low.
Summary of the invention
Embodiments of the invention provide a kind of anti-pattern conversion method and display panels thoroughly, can pass through regulation voltage, the saturating anti-pattern of switching LCD panel, improve aperture opening ratio and the optical efficiency utilization factor of liquid crystal display.
For achieving the above object, embodiments of the invention adopt following technical scheme:
On the one hand, provide a kind of display panels, comprise upper and lower polaroid, be positioned at the second substrate below polaroid, be positioned at first substrate above lower polaroid, the absorption axle of described upper and lower polaroid is mutually vertical, also comprises:
Reflective polarizers is provided with between described first substrate and described second substrate; Described reflective polarizers is used for reflect ambient light, transmission backlight;
Between described first substrate and described reflective polarizers, be provided with the first liquid crystal layer, between described reflective polarizers and second substrate, be provided with the second liquid crystal layer;
Between described lower polaroid and described first substrate, be provided with the first electrode, described reflective polarizers is provided with the second electrode, between described second substrate and upper polaroid, be provided with the 3rd electrode; Described first electrode, the second electrode, the 3rd electrode, for generation of electric field, change the phase delay of described first liquid crystal layer, the second liquid crystal layer.
On the one hand, a kind of anti-pattern conversion method is thoroughly provided, comprises:
Under environment light condition, the first electrode and the second electrode produce electric field, change the phase delay of the first liquid crystal layer; After the first polarized light that surround lighting is formed after lower polaroid revolves effect via the light of described first liquid crystal layer, polarisation of light direction changes the first angle, reflect through described reflective polarizers, continue after the light of described first liquid crystal layer revolves effect, described first angle of polarisation of light direction change, from described lower polaroid injection;
Under backlight condition, the second electrode and the 3rd electrode produce electric field, change the phase delay of the second liquid crystal layer; The second polarized light that backlight is formed after described upper polaroid revolves change described first angle in polarisation of light direction after effect via the light of described second liquid crystal layer, penetrates through after described reflective polarizers, lower polaroid.
The embodiment of the present invention provides a kind of anti-pattern conversion method and display panels thoroughly, on employing has, lower two polaroids, a middle reflective polarizers separates and is positioned at, the liquid crystal display structure of two liquid crystal layers between lower polaroid, under surround lighting or backlight condition, regulation voltage can be passed through, change the phase delay of liquid crystal layer, obtaining a kind of whole pixel region is display panels that is reflective or transmission-type, thus realize the conversion of the saturating anti-pattern of liquid crystal display, improve aperture opening ratio and the optical efficiency utilization factor of liquid crystal display, also improve its transmissivity and reflectivity simultaneously.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The structure of liquid crystal display panel schematic diagram that Fig. 1 provides for the embodiment of the present invention;
Another structure of liquid crystal display panel schematic diagram that Fig. 2 provides for the embodiment of the present invention;
The structure of liquid crystal display panel schematic diagram of the reflective-mode that Fig. 3 provides for the embodiment of the present invention;
What Fig. 4 provided for the embodiment of the present invention is converted into reflective-mode method flow schematic diagram;
The structure of liquid crystal display panel schematic diagram of the transmission mode that Fig. 5 provides for the embodiment of the present invention;
What Fig. 6 provided for the embodiment of the present invention is converted into transmission mode method flow schematic diagram.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
The display panels 10 that the embodiment of the present invention provides, as shown in Figure 1, comprising:
Lower polaroid 1001, becomes linearly polarized light for making incident natural light;
Be positioned at the first electrode 1002 above lower polaroid 1001, and contact, for generation of electric field with lower polaroid 1001;
Be positioned at the first substrate 1003 above the first electrode 1002, and contact with the first electrode 1002, for fixing lower polaroid 1001 and the first electrode 1002, and the first electrode 1002 is not contacted with the first liquid crystal layer 1004 be positioned at above first substrate 1003;
Be positioned at the first liquid crystal layer 1004 between first substrate 1003 and reflective polarizers 1005, revolve effect for producing light to light, changing polarisation of light state;
Be positioned at the reflective polarizers 1005 above the first liquid crystal layer 1004, for reflect ambient light, transmission backlight;
Be positioned at the second electrode 1006 above reflective polarizers 1005, and contact with reflective polarizers 1005, for generation of electric field; You need to add is that, the present embodiment is the exemplary upper and lower relation having showed reflective polarizers 1005 and the second electrode 1006, and certainly, the second electrode 1006 also can be positioned at the below of reflective polarizers 1005, and contacts with reflective polarizers 1005;
Be positioned at the second liquid crystal layer 1007 between the second electrode 1006 and second substrate 1008, revolve effect for producing light to light, changing polarisation of light state;
Being positioned at the second substrate 1008 above the second liquid crystal layer 1007, for fixing the 3rd electrode 1009 above this second substrate 1008 and upper polaroid 1010, and the 3rd electrode 1009 not contacted with the second liquid crystal layer 1007;
Be positioned at the 3rd electrode 1009 above second substrate 1008, and contact with second substrate 1008, for generation of electric field;
Be positioned at the upper polaroid 1010 above the 3rd electrode 1009, and contact with the 3rd electrode 1009, on the one hand, upper polaroid 1010 becomes linearly polarized light for making incident natural light, on the other hand, the absorption axle of upper polaroid 1010 is vertical with the absorption axle of lower polaroid 1001, makes this display panels 10 light tight.Backlight is provided with above upper polaroid 1010.
Further, as shown in Figure 2, display panels 10 also comprises:
Protecting group flaggy 1011, reflective polarizers 1005 and the second electrode 1006 be arranged in reflective polarizers 1005 are placed in this protecting group flaggy 1011, for fixation reflex polaroid 1005 and the second electrode 1006, and reflective polarizers 1005 and the second electrode 1006 are not contacted with the first liquid crystal layer 1004 and the second liquid crystal layer 1007; In addition, the distance between this protecting group flaggy 1011 with first substrate 1003 is equal with the distance between this protecting group flaggy 1011 with second substrate 1008.
Can liquid crystal display be formed by above-mentioned display panels 10, the conversion of anti-pattern can be realized, improve aperture opening ratio and optical efficiency utilization factor, also improve its transmissivity and reflectivity simultaneously.
The embodiment of the present invention provides a kind of anti-pattern conversion method and display panels thoroughly, on employing has, lower two polaroids, a middle reflective polarizers separates and is positioned at, the liquid crystal display structure of two liquid crystal layers between lower polaroid, under surround lighting or backlight condition, regulation voltage can be passed through, change the phase delay of liquid crystal layer, obtaining a kind of whole pixel region is display panels that is reflective or transmission-type, thus realize the conversion of the saturating anti-pattern of liquid crystal display, improve aperture opening ratio and the optical efficiency utilization factor of liquid crystal display, also improve its transmissivity and reflectivity simultaneously.
The saturating anti-pattern conversion method that the embodiment of the present invention provides, on the one hand, as shown in Figure 3, for the display panels schematic diagram of reflective-mode under environment light condition, under the effect of the vertical electric field that the first liquid crystal layer 1004 produces at the first electrode 1002 and the second electrode 1006, liquid crystal molecule generation phase delay, making can through the effect of reflective polarizers 1005 by the surround lighting 31 of lower polaroid 1001 incidence, again by the outgoing of lower polaroid 1001, concrete grammar step as shown in Figure 4, comprising:
S401, the first electrode and the second electrode produce electric field, change the phase delay of the first liquid crystal layer.
It can be vertical electric field that first electrode and the second electrode produce electric field, to make the phase delay of the first liquid crystal layer for λ/2.
S402, lower polaroid make incident surround lighting become the first polarized light.
S403, the first liquid crystal layer the first polarized light to process has light to revolve effect, and polarisation of light direction changes the first angle.
This first angle can be 90 degree.
S404, reflective polarizers reflect the first polarized light revolving effect through light in S403.
S405, the light of the first liquid crystal layer to the reflex through S404 have light to revolve effect, and polarisation of light direction changes the first angle.
S406, light are penetrated by lower polaroid.
Exemplary illustration is carried out below in conjunction with Fig. 3, when the first electrode 1002 and the second electrode 1006 non-making alive, absorption axle due to upper polaroid 1010, lower polaroid 1001 is mutually vertical, and (the absorption axle of the above polaroid 1010 of the present embodiment is 0 degree, the absorption axle of lower polaroid 1001 is 90 degree and is described, other situations in like manner repeat no more) therefore display panels is light tight, work as cut-in voltage, when first electrode 1002 and the second electrode 1006 produce vertical electric field, the phase delay of the first liquid crystal layer 1004 changes into λ/2.Surround lighting 31 has become the first polarized light that direction of vibration is 90 degree after injecting lower polaroid 1001, first polarized light through phase delay be the first liquid crystal layer 1004 of λ/2, this first liquid crystal layer 1004 has light to revolve effect to the first polarized light, the polarization state of the first polarized light is made to have changed 90 degree, namely now the direction of vibration of the first polarized light is 0 degree, reflective polarizers 1005 can reflect the light that direction of vibration is 0 degree, therefore the first polarized light is all reflected, again through the optically-active effect of the first liquid crystal layer 1004, the direction of vibration of the first polarized light has become 90 degree, and then transmit lower polaroid 1001, achieving working mode change is reflective-mode.
On the other hand, as shown in Figure 5, for the display panels schematic diagram of transmission mode under backlight condition, under the effect of the vertical electric field that the second liquid crystal layer 1007 produces at the second electrode 1006 and the 3rd electrode 1009, liquid crystal molecule generation phase delay, making can through reflective polarizers 1005 and lower polaroid 1001 outgoing by the backlight 31 of upper polaroid 1010 incidence, and concrete grammar step as shown in Figure 6, comprising:
S601, the second electrode and the 3rd electrode produce electric field, change the phase delay of the second liquid crystal layer.
It can be vertical electric field that second electrode and the 3rd electrode produce electric field, to make the phase delay of the second liquid crystal layer for λ/2.
S602, upper polaroid make incident backlight become the second polarized light.
S603, the second liquid crystal layer the second polarized light to process has light to revolve effect, and polarisation of light direction changes the first angle.
This first angle can be 90 degree.
S604, the second polarized light revolving effect through the light of S603 are penetrated by lower polaroid.
Exemplary illustration is carried out below in conjunction with Fig. 5, when the second electrode 1006 and the 3rd electrode 1009 non-making alive, absorption axle due to upper polaroid 1010, lower polaroid 1001 is mutually vertical, and (the absorption axle of the above polaroid 1010 of the present embodiment is 0 degree, the absorption axle of lower polaroid 1001 is 90 degree and is described, other situations in like manner repeat no more) therefore display panels is light tight, work as cut-in voltage, when second electrode 1006 and the 3rd electrode 1009 produce vertical electric field, the phase delay of the second liquid crystal layer 1007 changes into λ/2.Backlight 31 has become the second polarized light that direction of vibration is 0 degree after injecting polaroid 1010, second polarized light through phase delay be the second liquid crystal layer 1007 of λ/2, this second liquid crystal layer 1007 has light to revolve effect to the second polarized light, the polarization state of the second polarized light is made to have changed 90 degree, namely now the direction of vibration of the second polarized light is 90 degree, reflective polarizers 1005 does not reflect the light that direction of vibration is 90 degree, therefore the whole transmissive of the second polarized light, because the non-making alive of the first liquid crystal layer 1004 does not act on the second polarized light, and then direction of vibration is that second polarized light transmission of 90 degree goes out lower polaroid 1001, achieving working mode change is transmission mode.
The embodiment of the present invention provides a kind of anti-pattern conversion method and display panels thoroughly, on employing has, lower two polaroids, a middle reflective polarizers separates and is positioned at, the liquid crystal display structure of two liquid crystal layers between lower polaroid, under surround lighting or backlight condition, regulation voltage can be passed through, change the phase delay of liquid crystal layer, obtaining a kind of whole pixel region is display panels that is reflective or transmission-type, thus realize the conversion of the saturating anti-pattern of liquid crystal display, improve aperture opening ratio and the optical efficiency utilization factor of liquid crystal display, also improve its transmissivity and reflectivity simultaneously.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; change can be expected easily or replace, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of described claim.
Claims (6)
1. a display panels, comprises upper and lower polaroid, is positioned at the second substrate below polaroid, is positioned at first substrate above lower polaroid, and the absorption axle of described upper and lower polaroid is mutually vertical, it is characterized in that,
Reflective polarizers is provided with between described first substrate and described second substrate; Described reflective polarizers is used for reflect ambient light, transmission backlight;
Between described first substrate and described reflective polarizers, be provided with the first liquid crystal layer, between described reflective polarizers and second substrate, be provided with the second liquid crystal layer;
Between described lower polaroid and described first substrate, be provided with the first electrode, described reflective polarizers is provided with the second electrode, between described second substrate and upper polaroid, be provided with the 3rd electrode; Described first electrode, the second electrode, the 3rd electrode, for generation of electric field, change the phase delay of described first liquid crystal layer, the second liquid crystal layer.
2. display panels according to claim 1, is characterized in that, also comprises protecting group flaggy, and described reflective polarizers and described second electrode are arranged in described protecting group flaggy.
3. a saturating anti-pattern conversion method, is characterized in that, comprising:
Under environment light condition, the first electrode and the second electrode produce electric field, change the phase delay of the first liquid crystal layer; After the first polarized light that surround lighting is formed after lower polaroid revolves effect via the light of described first liquid crystal layer, polarisation of light direction changes the first angle, reflect through reflective polarizers, continue after the light of described first liquid crystal layer revolves effect, described first angle of polarisation of light direction change, from described lower polaroid injection;
Under backlight condition, the second electrode and the 3rd electrode produce electric field, change the phase delay of the second liquid crystal layer; The second polarized light that backlight is formed after upper polaroid revolves change described first angle in polarisation of light direction after effect via the light of described second liquid crystal layer, penetrates through after described reflective polarizers, lower polaroid.
4. anti-pattern conversion method according to claim 3, is characterized in that, described under environment light condition, and the first electrode and the second electrode produce electric field, and the phase delay changing the first liquid crystal layer comprises:
Under environment light condition, described first electrode and the second electrode produce vertical electric field, to make the phase delay of described first liquid crystal layer for λ/2.
5. anti-pattern conversion method according to claim 3, is characterized in that, described under backlight condition, and the second electrode and the 3rd electrode produce electric field, and the phase delay changing the second liquid crystal layer comprises:
Under backlight conditions, described second electrode and the 3rd electrode produce vertical electric field, to make the phase delay of described second liquid crystal layer for λ/2.
6. anti-pattern conversion method according to claim 3, is characterized in that, described first angle is 90 degree.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210048815.8A CN102654682B (en) | 2012-02-28 | 2012-02-28 | Transflective mode conversion method and liquid crystal display panel |
| PCT/CN2012/084983 WO2013127204A1 (en) | 2012-02-28 | 2012-11-21 | Liquid crystal display panel and transmission/reflection mode conversion method thereof, and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210048815.8A CN102654682B (en) | 2012-02-28 | 2012-02-28 | Transflective mode conversion method and liquid crystal display panel |
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| CN102654682A CN102654682A (en) | 2012-09-05 |
| CN102654682B true CN102654682B (en) | 2015-02-18 |
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| WO (1) | WO2013127204A1 (en) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102654682B (en) * | 2012-02-28 | 2015-02-18 | 京东方科技集团股份有限公司 | Transflective mode conversion method and liquid crystal display panel |
| CN103018894B (en) * | 2012-12-13 | 2014-12-03 | 京东方科技集团股份有限公司 | Optical device, and control method and display device thereof |
| KR20150007565A (en) * | 2013-07-11 | 2015-01-21 | 삼성전자주식회사 | Transflective type image display apparatus and control method thereof |
| CN105700223A (en) * | 2016-04-20 | 2016-06-22 | 武汉华星光电技术有限公司 | Liquid crystal display with switchable transmission and reflection modes and display module of liquid crystal display |
| CN106526951B (en) * | 2016-11-29 | 2021-01-26 | 京东方科技集团股份有限公司 | Mirror display device and control method thereof |
| GB2568240B (en) * | 2017-11-03 | 2023-01-25 | Flexenable Ltd | Method of producing liquid crystal devices comprising a polariser component between two lc cells |
| CN111316160A (en) | 2017-11-27 | 2020-06-19 | 金泰克斯公司 | Switchable polarization display |
| EP3692414B1 (en) | 2017-11-27 | 2022-03-02 | Gentex Corporation | Switchable polarized displays |
| CN108227319B (en) | 2018-01-23 | 2021-02-05 | 京东方科技集团股份有限公司 | Display panel and display device |
| CN109283764A (en) * | 2018-07-26 | 2019-01-29 | 惠州市德赛西威汽车电子股份有限公司 | A kind of automotive electronics rearview mirror |
| CN109976027B (en) * | 2019-04-30 | 2022-04-22 | 京东方科技集团股份有限公司 | Display panel, display device and driving method thereof |
| CN110543052A (en) * | 2019-08-28 | 2019-12-06 | 青岛海信电器股份有限公司 | Display device |
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| US6124919A (en) * | 1998-11-02 | 2000-09-26 | Hitachi, Ltd. | Half reflection type liquid crystal display device having matched phase of transmitted and reflected light |
| CN1924666A (en) * | 2005-08-30 | 2007-03-07 | 胜华科技股份有限公司 | Semi-reflective liquid crystal display device |
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| JPH11119208A (en) * | 1997-10-17 | 1999-04-30 | Matsushita Electric Ind Co Ltd | Color liquid crystal display device |
| KR100603846B1 (en) * | 2000-02-10 | 2006-07-24 | 엘지.필립스 엘시디 주식회사 | transflective liquid crystal display device |
| CN1504805A (en) * | 2002-12-05 | 2004-06-16 | 鸿富锦精密工业（深圳）有限公司 | Backlight module |
| CN102654682B (en) * | 2012-02-28 | 2015-02-18 | 京东方科技集团股份有限公司 | Transflective mode conversion method and liquid crystal display panel |
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2012
- 2012-02-28 CN CN201210048815.8A patent/CN102654682B/en active Active
- 2012-11-21 WO PCT/CN2012/084983 patent/WO2013127204A1/en active Application Filing
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US6124919A (en) * | 1998-11-02 | 2000-09-26 | Hitachi, Ltd. | Half reflection type liquid crystal display device having matched phase of transmitted and reflected light |
| CN1924666A (en) * | 2005-08-30 | 2007-03-07 | 胜华科技股份有限公司 | Semi-reflective liquid crystal display device |
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| WO2013127204A1 (en) | 2013-09-06 |
| CN102654682A (en) | 2012-09-05 |
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