CN103969872A - Liquid-crystal display device - Google Patents
Liquid-crystal display device Download PDFInfo
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- CN103969872A CN103969872A CN201410163674.3A CN201410163674A CN103969872A CN 103969872 A CN103969872 A CN 103969872A CN 201410163674 A CN201410163674 A CN 201410163674A CN 103969872 A CN103969872 A CN 103969872A
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Abstract
The invention discloses a liquid-crystal display device capable of being switched to be in a transmission mode or in a reflection mode at any time. The liquid-crystal display device comprises an LCD panel, a backlight source, a light adjusting device, a control module and a display mode determining module. The LCD panel and the backlight source are oppositely arranged. The light adjusting device is placed between the LCD panel and the backlight source and can transmit the light from the backlight source or reflect the light from the outside. The control module is in signal connection with the light adjusting device, and the control module is used for controlling the light adjusting device to transmit the light from the backlight source to the LCD panel and controlling the light adjusting device to reflect the light from the outside to the LCD panel. The display mode determining module is in signal connection with the control module, and the display mode determining module is used for sending a first display mode signal to the control module and sending a second display mode signal to the control module.
Description
Technical field
The present invention relates to display technique field, relate in particular to a kind of liquid crystal indicator.
Background technology
In technical field of liquid crystal display, according to adopting light source type difference, liquid crystal display comprises the liquid crystal display such as transmission-type, reflective and Transflective.
Transmissive type liquid crystal display uses backlight, the pattern of exhibit high brilliance under darker environment, the local screen display of natural light abundance is darker out of doors, display effect is undesirable, power consumption is also higher simultaneously, its display effect often cannot be met consumers' demand, and therefore, has occurred semi-transmission semi-reflection LCD.
In each dot structure of semi-transmission semi-reflection LCD, comprise transmissive portion and reflecting part, what wherein transmissive portion can be sent by backlight is backlight, under the weak environment of light, the visuality that ensures liquid crystal display, reflecting part comprises reflective metal layer, can reflect extraneous incident light, under the environment with strong ambient light, ensure the contrast of liquid crystal display, improve its display effect.Realize the image demonstration of high brightness because semi-transmission semi-reflection LCD can utilize backlight and natural light simultaneously, compare and only use backlight that transmissive type liquid crystal display backlight is provided, power consumption is lower.But the transmission mode of semi-transparent semi-reflecting liquid crystal display and the switching of reflective-mode depend on the power of surrounding environment light, and no matter still indoor out of doors, the backlight in whole backlight module is in mode of operation, and power consumption is higher.
In addition, semi-transmission semi-reflection LCD mainly comprises electrically controlled birefringence mode and structure corresponding to vertical alignment mode.But electrically controlled birefringence mode semi-transmission semi-reflection LCD visual angle is too narrow, vertical alignment mode semi-transmission semi-reflection LCD need to arrange multiple optical compensation films, and making structure is more complicated, and cost is higher.
Summary of the invention
A kind of liquid crystal indicator that inventive embodiments provides, in order to a kind of liquid crystal indicator that can switch at any time between transmission mode and reflective-mode to be provided, can close backlight when reflective-mode, saves the energy.
A kind of liquid crystal indicator that the embodiment of the present invention provides, comprising:
The display panels being oppositely arranged and backlight;
Between described display panels and backlight, can carry out transmission or to the light regulating device reflecting from extraneous light to the light from described backlight;
Control module, be connected with described smooth regulating device signal, for in the time receiving the first display mode signal, control described smooth regulating device and will be transmitted to described display panels from the light of backlight, and in the time receiving the second display mode signal, control described smooth regulating device the light reflection from extraneous is arrived to described display panels;
Display mode determination module, is connected with described control module signal, in the time receiving first trigger pip of indicator solution crystal device in transmission mode work, the first display mode signal is sent to described control module; And in the time receiving second trigger pip of indicator solution crystal device in reflective-mode work, described the second display mode signal is sent to described control module.
Preferably, described the first trigger pip and the second trigger pip are respectively the signal corresponding with manual adjustments display mode determination module.
Preferably, also comprise: the light intensity sensing device being connected with described display mode determination module signal;
Described light intensity sensing device is for the light intensity of the extraneous light of perception, when the light intensity of described extraneous light is during lower than first threshold, sends to described display mode determination module by being used to indicate liquid crystal indicator in the first trigger pip of transmission mode work;
When the light intensity of described extraneous light is during higher than first threshold, send to described display mode determination module by being used to indicate liquid crystal indicator in the second trigger pip of reflective-mode work.
Preferably, the shape of described smooth regulating device and described display panels are similar, and the territory, pixel display area of big or small and described display panels quite or be greater than the territory, pixel display area of described display panels.
Preferably, described smooth regulating device comprises:
Near the first substrate of described display panels and the second substrate of close described backlight;
And cholesteric crystal layer between described first substrate and second substrate,
The first electrode and the second electrode that lay respectively on described first substrate and second substrate are electrically connected with described control module respectively;
Described control module is in the time receiving the first display mode signal, the electric field intensity of controlling between the first electrode and the second electrode is the first electric field intensity of corresponding cholesteric crystal layer light-permeable, and in the time receiving the second display mode signal, the electric field intensity of controlling between described the first electrode and the second electrode is the second electric field intensity that corresponding cholesteric crystal layer can be reflective.
Preferably, the thickness of described cholesteric liquid crystal rete is 3～30 μ m.
Preferably, described the first electrode and/or the second electrode are planar structure.
Preferably, also comprise:
Be positioned at the quarter-wave plate near described display panels one side on described first substrate.
Preferably, described display panels comprises the 3rd substrate and tetrabasal and the liquid crystal layer between the 3rd substrate and tetrabasal that box is put; Described the 3rd substrate and described first substrate are same substrate.
Preferably, also comprise: be positioned at the polaroid on described tetrabasal.Display panels;
A kind of liquid crystal indicator that the embodiment of the present invention provides, comprises the display panels and the backlight that are oppositely arranged; Between described display panels and backlight, can carry out transmission or to the light regulating device reflecting from extraneous light to the light from described backlight; Control module, be connected with described smooth regulating device signal, for in the time receiving the first display mode signal, control described smooth regulating device and will be transmitted to described display panels from the light of backlight, and in the time receiving the second display mode signal, control described smooth regulating device the light reflection from extraneous is arrived to described display panels;
Display mode determination module, is connected with described control module signal, in the time receiving first trigger pip of indicator solution crystal device in transmission mode work, the first display mode signal is sent to described control module; And in the time receiving second trigger pip of indicator solution crystal device in reflective-mode work, described the second display mode signal is sent to described control module.Display mode comprises transmission mode and reflective-mode, and above-mentioned liquid crystal indicator has been realized a kind of liquid crystal indicator that can switch flexibly between transmission mode and reflective-mode.
Brief description of the drawings
One of LCD device structure schematic diagram that Fig. 1 provides for the embodiment of the present invention;
Two of the LCD device structure schematic diagram that Fig. 2 provides for the embodiment of the present invention;
The light regulating device structural representation that Fig. 3 provides for the embodiment of the present invention;
The index path of liquid crystal indicator when transmission mode that Fig. 4 provides for the embodiment of the present invention;
The index path of liquid crystal indicator when reflective-mode that Fig. 5 provides for the embodiment of the present invention;
Two of the LCD device structure schematic diagram that Fig. 6 provides for the embodiment of the present invention;
The bright state index path of the liquid crystal indicator that Fig. 7 provides for the embodiment of the present invention under transmission mode;
The dark state index path of the liquid crystal indicator that Fig. 8 provides for the embodiment of the present invention under transmission mode;
The bright state index path of the liquid crystal indicator that Fig. 9 provides for the embodiment of the present invention under reflective-mode;
The dark state index path of the liquid crystal indicator that Figure 10 provides for the embodiment of the present invention under reflective-mode.
Embodiment
A kind of liquid crystal indicator that the embodiment of the present invention provides, in order to a kind of liquid crystal indicator that can switch flexibly between transmission mode and reflective-mode to be provided, when transmission mode, backlight being transmitted on described display panels that light regulating device can make backlight provide, reflective-mode time regulating device reflects from extraneous light, by light reflection to display panels.When reflective-mode, can close backlight, save the energy.
Illustrate below with reference to accompanying drawing.
Referring to Fig. 1, the liquid crystal indicator that the embodiment of the present invention provides comprises:
The display panels 1 being oppositely arranged and backlight 3 can carry out transmission or to the light regulating device 2 reflecting from extraneous light to the light from backlight 3 between display panels 1 and backlight 3;
Control module 4, be connected with light regulating device 2 signals, for in the time receiving the first display mode signal, control light regulating device 2 and will be transmitted to display panels 1 from the light of backlight 3, and in the time receiving the second display mode signal, control light regulating device 2 by the light reflection from extraneous to display panels 1;
Display mode determination module 5, is connected with control module 4 signals, in the time receiving first trigger pip of indicator solution crystal device in transmission mode work, the first display mode signal is sent to control module 4; And in the time receiving second trigger pip of indicator solution crystal device in reflective-mode work, the second display mode signal is sent to control module 4.
Described the first trigger pip and the second trigger pip at least can comprise following mode:
Mode one: described the first trigger pip and the second trigger pip are respectively the signal corresponding with manual adjustments display mode determination module.For example, display mode determination module 5 can be for having the button of adjustable position state, when corresponding first trigger pip during at primary importance state of button described in manual adjustments, when corresponding second trigger pip during at second place state of button described in manual adjustments.
Mode two: the light intensity sensing device being connected with described display mode determination module signal is set on described liquid crystal indicator.
Particularly, referring to Fig. 2, on the basis of the liquid crystal indicator shown in Fig. 1, further comprise:
Light intensity sensing device 6, light intensity sensing device 6 is for the light intensity of the extraneous light of perception, when the light intensity of described extraneous light is during lower than first threshold, send to described display mode determination module by being used to indicate liquid crystal indicator in the first trigger pip of transmission mode work; When the light intensity of described extraneous light is during higher than first threshold, send to described display mode determination module by being used to indicate liquid crystal indicator in the second trigger pip of reflective-mode work.
Described light intensity sensing device can be photosensitive sensing, for example, can be photodiode.Described the first preset value can be the value artificially arranging arbitrarily, and described the first preset value can be changed according to the actual requirements.
Particularly, liquid crystal indicator provided by the invention, relies on the back light display image that backlight provides when transmission mode, and the light that relying on reflection when reflective-mode provides from external light source shows image.
The liquid crystal indicator that above-described embodiment provides, has realized a kind of liquid crystal indicator that can switch flexibly between transmission mode and reflective-mode, between transmission mode and reflective-mode, switches and can artificially arrange, and does not rely on the variation of ambient light.And the present invention is under reflective-mode, wherein a kind of embodiment is: backlight is closed, and backlight power consumption reduces, and saves the energy.
The semi-transparent semi-reflecting liquid crystal indicator of prior art, each pixel region arranges regional transmission and reflector space, and reflector space is provided with reflection layer, in the time that extraneous light is stronger, the reflector space to external world reflection of light plays a major role, and embodies the display effect of reflective-mode; Under the weak environment of light, reflector space to external world light reflex a little less than, regional transmission to light to see through effect stronger, backlight being transmitted on display panels that backlight provides, embodies the display effect of transmission mode; No matter, at high light environment or low light environment, backlight one direct-open is luminous, and for regional transmission provides backlight, power consumption is higher, and switching between transmission mode and reflective-mode is passive, relies on the variation of ambient light power.
Preferably, the display panels shown in Fig. 1 and Fig. 2, is Nonopaque type display panels, and each pixel region of Nonopaque type display panels is transmission region, and the aperture opening ratio of pixel is higher, and display effect is better.In the time that liquid crystal indicator is operated in transmission mode, each pixel region is transmission region, in the time that liquid crystal indicator is operated in reflective-mode, each pixel region is equivalent to a retroreflective regions, no matter be that liquid crystal indicator is operated in transmission mode or reflective-mode, the aperture opening ratio of pixel almost approaches whole pixel region, and the aperture opening ratio of pixel is higher, and display effect is better.
Half region in each pixel region in existing semi-transparent semi-reflecting liquid crystal indicator is regional transmission, and second half region is reflective-mode, and the aperture opening ratio of pixel is lower, and display effect is poor.In addition, the structure of semi-transparent semi-reflecting liquid crystal indicator is more complicated, and particularly, in the pixel of array base palte, reflector space is provided with reflection horizon, the outside surface of semi-transparent semi-reflecting liquid crystal indicator often will arrange multiple compensate films, near a side of liquid crystal layer, the alignment films that multiple structures are different is set.
Preferably, the shape of described smooth regulating device and described display panels are similar, and the territory, pixel display area of big or small and described display panels quite or be greater than the territory, pixel display area of described display panels.
Referring to Fig. 3, be to comprise wherein a kind of light regulating device 2 of preferred embodiments, comprising:
Near the first substrate 21 of described display panels 1 and the second substrate 22 of close backlight 3;
And cholesteric crystal layer 23 between first substrate 21 and second substrate 22,
The first electrode 24 and the second electrode 25 that lay respectively on first substrate 21 and second substrate 22 are electrically connected with control module 4 respectively;
Control module 4 is in the time receiving the first display mode signal, the electric field intensity of controlling between the first electrode 24 and the second electrode 25 is the first electric field intensity of corresponding cholesteric crystal layer 23 light-permeables, and in the time receiving the second display mode signal, the electric field intensity of controlling between the first electrode 24 and the second electrode 25 is the second electric field intensity that corresponding cholesteric crystal layer 23 can be reflective.
This cholesteric liquid crystal rete can be produced on described first substrate or second substrate by the mode of rotary coating.Also can be formed between first substrate and second substrate after box by the mode of perfusion.
Cholesteric crystal layer is called again spiral fashion liquid crystal, under different pitch, and the degree of reflection to light or degree of transmission difference.Cholesteric liquid crystal is under the effect that applies electric field, and pitch can change, and along with the variation of electric field intensity, the size of pitch also can change thereupon.Particularly, hour, reflectivity is higher, can reflect compared with the light of broadband scope for the pitch of cholesteric liquid crystal, regulates the pitch of cholesteric liquid crystal can realize reflection bandwidth and reaches visible-range.When pitch is larger, reflection bandwidth is narrower, and transmission effect strengthens, can transmission compared with the light of broadband scope, regulate the pitch of cholesteric liquid crystal can realize transmission bandwidth and reach visible-range.
Cholesteric crystal layer has optionally reflex to light, in the time that cholesteric liquid crystal is left-handed cholesteric liquid crystal, reflects left-handed elliptically polarized light; In the time that cholesteric liquid crystal is dextrorotation cholesteric liquid crystal, reflection right-handed elliptical polarization light.That is to say, allow right-handed elliptical polarization light or the reflection of left-handed elliptically polarized light to depend on the helical structure of described cholesteric liquid crystal, when the helical structure of cholesteric liquid crystal is right-handed helix (dextrorotation cholesteric liquid crystal), can reflect right-handed elliptical polarization light.On the contrary, when the helical structure of cholesteric liquid crystal is left hand helix (left-handed cholesteric liquid crystal), can reflect left-handed elliptically polarized light.
To revolve cholesteric liquid crystal as left-handed cholesteric liquid crystal is as example explanation.
In conjunction with Fig. 3 and Fig. 4, Fig. 4 is the index path of transmission mode time regulating device, the light intensity sensing device 6 shown in the not shown Fig. 1 of Fig. 3 and display mode determination module 5.
In the specific implementation, under darker environment or need backlight stronger, for the first electrode 24 shown in Fig. 3 and the second electrode 25 apply the first predeterminated voltage V1, between the two, form electric field, liquid crystal deflecting element in electric field controls cholesteric crystal layer 23, the pitch of liquid crystal molecule is changed into and is made the light reflectance rate of cholesteric crystal layer 23 lower, light transmittance reaches certain value or peaked state, when the light of backlight passes through cholesteric crystal layer, left-handed elliptically polarized light reflects, allow right-handed elliptical polarization light transmission, right-handed elliptical polarization light incides on display panels by quarter wave plate.
The light that backlight 3 sends, right-handed elliptical polarization light transmission light regulating device 2 wherein, left-handed elliptically polarized light is reflexed to backlight by light regulating device 2.Realized transmission mode demonstration on the one hand, cholesteric crystal layer reflexes to the light of backlight on the other hand, and backlight can again utilize and is transmitted into light regulating device 2, has improved utilization factor backlight.
In conjunction with Fig. 3 and Fig. 5, Fig. 5 is the index path of reflective-mode time regulating device.
Under the more sufficient environment of light, for example well-lighted open air, need backlight weak or directly close in situation backlight, for the first electrode 24 shown in Fig. 3 and the second electrode 25 apply the second predeterminated voltage V2, between the two, form electric field, liquid crystal deflecting element in electric field controls cholesteric crystal layer 23, the pitch of liquid crystal molecule is changed into and is made the light reflectance of cholesteric crystal layer 23 reach certain value or peaked state, light transmittance reaches minimum state, the light of backlight cannot see through cholesteric crystal layer, from extraneous light first after through display panels and cholesteric crystal layer 23, because cholesteric crystal layer 23 reflects left-handed elliptically polarized light, left-handed elliptically polarized light is reflexed on display panels.Backlight 3 now can be closed, and saves the energy.
Preferably, the thickness range of the described cholesteric liquid crystal rete in described smooth regulating device is 3～30 μ m.Be preferably 10～20 μ m.
The first electrode shown in Fig. 3 can be planar structure or slit-shaped structure;
The second electrode can be planar structure or slit-shaped structure.
Preferably, described the first electrode and the second electrode are planar structure, or the first electrode and the second electrode are one of at least planar structure.The first electrode of planar structure and the electric field intensity of the second electrode are higher, and Electric Field Distribution is more even, and the each regional reflex bandwidth of cholesteric liquid crystal rete is identical or approach identically, and the display effect of image is better.
Preferably, described display panels is Nonopaque type display panels.
Referring to Fig. 6, on the basis of the liquid crystal indicator shown in Fig. 3, also comprise: be positioned at the quarter-wave plate 7 near display panels 1 one sides on first substrate 21.
Further, referring to Fig. 6, display panels 1 comprises the 3rd substrate 11 and tetrabasal 12 and the liquid crystal layer 13 between the 3rd substrate 11 and tetrabasal 12 that box is put; The 3rd substrate 11 is that same substrate can be also different substrate from first substrate 21.The 3rd substrate 11 is the thickness that same substrate can reduce whole liquid crystal indicator with first substrate 21, and light regulating device is directly produced on to the side away from liquid crystal layer 13 on the 3rd substrate;
Further, also comprise: be positioned at the polaroid 8 on tetrabasal 12.
Display panels 1 can be for only comprising color membrane substrates and array base palte and the liquid crystal layer between the two, pixel region on array base palte is transmission region, the direction of orientation of the liquid crystal aligning layer of color membrane substrates is consistent, the direction of orientation of the oriented layer on array base palte is consistent, the semi-transparent semi-reflecting liquid crystal indicator of comparing, the manufacture craft of the liquid crystal indicator that the embodiment of the present invention provides is simple, has avoided on array base palte a pixel region to make bad that the structure such as reflector space and regional transmission and corresponding reflection horizon etc. causes simultaneously.
Because liquid crystal indicator is when the transmission mode, the polarized light that sees through light regulating device 2 is elliptically polarized light, and elliptically polarized light can become linearly polarized light through quarter-wave plate 7.
Linearly polarized light phase place after not executing alive liquid crystal layer has the delay of λ/2, and through the polaroid outgoing of display panels bright dipping side, display panels shows bright state.
If Fig. 7 is the bright state index path of liquid crystal indicator under transmission mode.
Transmission mode light regulating device 2 is larger to the transmissivity of light, the light within the scope of almost can visible light transmissive.Be that reflection wave is wide very narrow, transmitted wave is wide.
The light sending through backlight 3, project light regulating device 2, the left-handed elliptically polarized light of light regulating device 2 selective reflecting, left-handed elliptically polarized light is reflected back source backlight, right-handed elliptical polarization light transmission in visible-range, becomes the linearly polarized light of vertical direction through quarter-wave plate 7; Liquid crystal molecule in display panels is during without electric field action, and liquid crystal layer 13 has the phase delay of λ/2, and the linearly polarized light of vertical direction becomes the linearly polarized light of horizontal direction.If the light transmission shaft of polaroid 8 and horizontal direction parallel, light sees through polaroid 8 and is bright state.
If Fig. 8 is the dark state index path of liquid crystal indicator under transmission mode.
Transmission mode light regulating device 2 is larger to the transmissivity of light, the light within the scope of almost can visible light transmissive.Be that reflection wave is wide very narrow, transmitted wave is wide.
The light sending through backlight 3, projects light regulating device 2, the left-handed elliptically polarized light reflection in very narrow wavelength band, and the right-handed elliptical polarization light transmission in visible-range, becomes the linearly polarized light of vertical direction through quarter-wave plate 7; Liquid crystal layer 13 is used lower to phase delay at electric field, and the linearly polarized light of vertical direction cannot be dark state through the polaroid 8 of light transmission shaft and horizontal direction parallel.
If Fig. 9 is the bright state index path of liquid crystal indicator under reflective-mode.
Reflective-mode light regulating device 2 is larger to the reflectivity of light, the light within the scope of almost can reflect visible light.Be that transmitted wave is wide very narrow, reflection wave is wide.
Backlight 3 is closed, extraneous natural light becomes the linearly polarized light of horizontal direction after polaroid 8, after the liquid crystal layer 13 without electric field action, there is the phase delay of λ/2, the linearly polarized light of horizontal direction becomes the linearly polarized light of vertical direction, the linearly polarized light of vertical direction becomes left-handed elliptically polarized light through quarter-wave plate 7, light regulating device 2 has the effect of selective reflecting to left-handed elliptically polarized light, again become the linearly polarized light of vertical direction through quarter-wave plate 7, again after the liquid crystal layer 13 without electric field action, there is the phase delay of λ/2, the linearly polarized light of vertical direction becomes the linearly polarized light of horizontal direction, through polaroid 8 outgoing of light transmission shaft direction and horizontal direction parallel, liquid crystal indicator is bright state.
The light of only a few becomes right-handed elliptical polarization light through quarter-wave plate 7, sees through 2 outgoing of light regulating device.
If Figure 10 is the dark state index path of liquid crystal indicator under reflective-mode.
Backlight 3 is closed; Extraneous natural light becomes the linearly polarized light of horizontal direction after polaroid 8, after the liquid crystal layer of electric field action without phase delay, light is the linearly polarized light of horizontal direction, the linearly polarized light of horizontal direction becomes right-handed elliptical polarization light through quarter-wave plate 7, through a small amount of light reflection of light regulating device 2, a large amount of right-handed elliptical polarization light transmission light regulating devices 2 realize dark state.
A kind of liquid crystal indicator that the embodiment of the present invention provides, comprise the display panels and the backlight that are oppositely arranged, between described display panels and backlight, can carry out transmission or to the light regulating device reflecting from extraneous light to the light from described backlight; Control module, be connected with described smooth regulating device signal, for in the time that described liquid crystal indicator is transmissive display mode, control described smooth regulating device and will be transmitted to described display panels from the light of backlight, and in the time that described liquid crystal indicator is reflection display mode, controls described smooth regulating device the light reflection from extraneous is arrived to described display panels.Realize a kind of liquid crystal indicator that can switch flexibly between transmission mode and reflective-mode, between transmission mode and reflective-mode, switched and can artificially arrange, do not relied on the variation of ambient light.And the present invention is under reflective-mode, wherein a kind of embodiment is: backlight is closed, and backlight power consumption reduces.The liquid crystal indicator that the embodiment of the present invention provides, display panels simple in structure, aperture opening ratio is higher, light regulating device is arranged at outside display panels, and the yields of display panels is higher, whole liquid crystal indicator simple in structure, aperture opening ratio is higher, and yields is higher.
Obviously, those skilled in the art can carry out various changes and modification and not depart from the spirit and scope of the present invention the present invention.Like this, if these amendments of the present invention and within modification belongs to the scope of the claims in the present invention and equivalent technologies thereof, the present invention is also intended to comprise these changes and modification interior.
Claims (10)
1. a liquid crystal indicator, is characterized in that, comprising:
The display panels being oppositely arranged and backlight;
Between described display panels and backlight, can carry out transmission or to the light regulating device reflecting from extraneous light to the light from described backlight;
Control module, be connected with described smooth regulating device signal, for in the time receiving the first display mode signal, control described smooth regulating device and will be transmitted to described display panels from the light of backlight, and in the time receiving the second display mode signal, control described smooth regulating device the light reflection from extraneous is arrived to described display panels;
Display mode determination module, is connected with described control module signal, in the time receiving first trigger pip of indicator solution crystal device in transmission mode work, the first display mode signal is sent to described control module; And in the time receiving second trigger pip of indicator solution crystal device in reflective-mode work, described the second display mode signal is sent to described control module.
2. liquid crystal indicator according to claim 1, is characterized in that, described the first trigger pip and the second trigger pip are respectively the signal corresponding with manual adjustments display mode determination module.
3. liquid crystal indicator according to claim 1, is characterized in that, also comprises the light intensity sensing device being connected with described display mode determination module signal;
Described light intensity sensing device is for the light intensity of the extraneous light of perception, when the light intensity of described extraneous light is during lower than first threshold, sends to described display mode determination module by being used to indicate liquid crystal indicator in the first trigger pip of transmission mode work;
When the light intensity of described extraneous light is during higher than first threshold, send to described display mode determination module by being used to indicate liquid crystal indicator in the second trigger pip of reflective-mode work.
4. liquid crystal indicator according to claim 1, it is characterized in that, the shape of described smooth regulating device and described display panels are similar, and the territory, pixel display area of big or small and described display panels quite or be greater than the territory, pixel display area of described display panels.
5. liquid crystal indicator according to claim 1, is characterized in that, described smooth regulating device comprises:
Near the first substrate of described display panels and the second substrate of close described backlight;
And cholesteric crystal layer between described first substrate and second substrate,
The first electrode and the second electrode that lay respectively on described first substrate and second substrate are electrically connected with described control module respectively;
Described control module is in the time receiving the first display mode signal, the electric field intensity of controlling between the first electrode and the second electrode is the first electric field intensity of corresponding cholesteric crystal layer light-permeable, and in the time receiving the second display mode signal, the electric field intensity of controlling between described the first electrode and the second electrode is the second electric field intensity that corresponding cholesteric crystal layer can be reflective.
6. liquid crystal indicator according to claim 5, is characterized in that, the thickness of described cholesteric liquid crystal rete is 3～30 μ m.
7. liquid crystal indicator according to claim 5, is characterized in that, described the first electrode and/or the second electrode are planar structure.
8. liquid crystal indicator according to claim 5, is characterized in that, also comprises:
Be positioned at the quarter-wave plate near described display panels one side on described first substrate.
9. liquid crystal indicator according to claim 8, is characterized in that, described display panels comprises the 3rd substrate and tetrabasal and the liquid crystal layer between the 3rd substrate and tetrabasal that box is put; Described the 3rd substrate and described first substrate are same substrate.
10. liquid crystal indicator according to claim 9, is characterized in that, also comprises: be positioned at the polaroid on described tetrabasal.
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| CN105511145A (en) * | 2016-02-03 | 2016-04-20 | 京东方科技集团股份有限公司 | Display device and fabrication method thereof |
| CN108169952A (en) * | 2018-01-03 | 2018-06-15 | 京东方科技集团股份有限公司 | A kind of glareproof mirror and its control method |
| CN108831370A (en) * | 2018-08-28 | 2018-11-16 | 京东方科技集团股份有限公司 | Display driving method and its device, display device and wearable device |
| CN110632794A (en) * | 2019-09-23 | 2019-12-31 | 京东方科技集团股份有限公司 | Display device and optical compensation method thereof |
| CN111103696A (en) * | 2019-12-30 | 2020-05-05 | 联想(北京)有限公司 | Electronic equipment and display equipment thereof |
| CN115268136A (en) * | 2022-08-19 | 2022-11-01 | 京东方科技集团股份有限公司 | Display panel and display device |
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