CN104111551A - Flexible liquid crystal colorization display device and preparation method thereof - Google Patents
Flexible liquid crystal colorization display device and preparation method thereof Download PDFInfo
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Abstract
The invention discloses a flexible liquid crystal colorization display device and a preparation method thereof. The flexible liquid crystal colorization display device comprises a liquid crystal and a flexible full color display panel, wherein the flexible full color display panel comprises an upper flexible substrate layer, an upper orientation layer, a liquid crystal layer, a lower orientation layer, a lower flexible substrate layer, an upper transparent conducting layer, an upper control circuit layer, a lower transparent conducting layer and a lower control circuit layer. According to the flexible liquid crystal colorization display device and the preparation method thereof, the flexible liquid crystal colorization display device completes achievement of colorization through specific responses from the liquid crystal to voltage and heat based on reflection characteristics of a cholesteric liquid crystal, and solves gray scale control problems of a flexible colorization device, and the preparation method of the flexible liquid crystal colorization display device controls performance of director change, reflectivity change and the like of the liquid crystal by using ultraviolet irradiation to control all attributes of the liquid crystal and using the specific responses from the liquid crystal to the voltage and the heat, and thereby can achieve the colorization high in quality and production of the flexible liquid crystal colorization display device which is accurate in gray scale control and simplified in production process.
Description
Technical field
The present invention relates to flexible display technologies field, be specifically related to a kind ofly utilize temperature control and by applying the flexible liquid crystal color display device part and preparation method thereof of Control of Voltage liquid crystal display device of different attribute.
Background technology
Show that at present industry is in fast-developing period, flexible demonstration is a wherein very important aspect, the devices such as the color filter film having worked out cannot meet the needs of people for display device, and E-ink, in liquid crystal and organic light-emitting diode display, cholesteric liquid crystal becomes with features such as its low energy consumption, high brightness, high-contrasts the material that flexible display device has superiority.
In reflective cholesteric liquid crystal display, it is by the bistable feature of cholesteric liquid crystal mostly that traditional GTG shows, thereby controls its reflectivity by the bistable state that regulation voltage is controlled liquid crystal, to reach the demonstration of GTG.But simple Control of Voltage possibly cannot meet the accurate control of GTG.Based on traditional thinking, and research for many years to ferroelectric liquid crystals and cholesteric liquid crystal feature.The invention provides a kind of method and device, on the basis by ultraviolet lighting control liquid crystal attribute, liquid crystal is applied to the processing such as voltage and pulse of various attribute change, form the GTG more definite, quality is higher.Reaching the aspect such as contrast, saturation degree better shows.
Summary of the invention
In order to solve the problems of the technologies described above, the invention provides a kind of flexible liquid crystal color display device part and preparation method thereof, the reflection feature of this flexible liquid crystal color display device part based on cholesteric liquid crystal, by liquid crystal to voltage, the specific reaction of heat completes the realization of colorize, solve the GTG control problem of flexible colorize device, control the performances such as liquid crystal director variation and reflectance varies by every attribute of ultraviolet lighting control liquid crystal and to the specific reaction of different attribute voltage, thereby can realize high-quality colour, and GTG control is accurate, the flexible liquid crystal color display device part that manufacture craft is simplified.Given suitable, by regulate suitable make institute's UV-irradiation frequency, time chien shih liquid crystal in good attribute status, realize the variation of liquid crystal attribute by applying the voltage of different attribute, thereby complete the control of the GTG of flexible liquid crystal color display device part.
To achieve these goals, the present invention adopts following technical scheme.
A kind of flexible liquid crystal color display device part, comprise liquid crystal and flexible full-colored look display panel, the top-down structure of flexible full-colored look display panel is divided into flexible substrate layer, upper oriented layer, liquid crystal layer, lower oriented layer, lower flexible substrate layer, upper transparency conducting layer and control circuit layer, lower transparency conducting layer and control circuit layer, upper transparency conducting layer and control circuit layer, lower transparency conducting layer and control circuit layer take up space thin, little in display device, have reduced pixel idle space around; Liquid crystal layer applies corresponding voltage by upper strata flexible base, board, lower floor's flexible base, board and heat is controlled trichromatic GTG.
Preferably, described upper transparency conducting layer and control circuit layer form upper transparency electrode, and described lower transparency conducting layer and control circuit layer form lower transparency electrode.
In above-mentioned arbitrary technical scheme, preferably, described upper transparency conducting layer and lower transparency conducting layer form the ground floor of display device, to liquid crystal applied voltages and carry out illumination, carry out GTG control.
In above-mentioned arbitrary technical scheme preferably, described liquid crystal comprises three kinds of liquid crystal of the wavelength reflection Red corresponding with three primary colors, green, blueness, the described wavelength reflection Red corresponding with three primary colors, green, blue three kinds of second layers that liquid crystal is display device, and three kinds of liquid crystal are isolated mutually, are not interfere with each other, very near a, pixel of composition mutually.
In above-mentioned arbitrary technical scheme, preferably, the ground floor of display device, the second layer form the groundwork layer of this display device.
In above-mentioned arbitrary technical scheme, preferably, this flexibility liquid crystal color display device part edge device seals glue.
In above-mentioned arbitrary technical scheme, preferably, described upper flexible substrate layer, lower flexible substrate layer form flexible base, board, on described flexible base, board, are coated with transparent conductive film.
The invention also discloses a kind of preparation method of flexible liquid crystal color display device part, comprise the flexible liquid crystal color display device part as described in claim 1-5, it is characterized in that: this preparation method comprises the steps: S1, complete the stickup of transparency conductive electrode on flexible base, board; S2, completes the preparation of airtight grid, complete target pitch can reflection Red, the cholesteric liquid crystal of green, blue corresponding pitch; S3, formation can reflection Red, the structure of green, blue liquid crystal, and solution monochrome is in this way injected difficult problem, and each red liquid crystal grid is around green and blue grid, a pixel of common formation, the waste that raising irrigation crystal efficiency has also effectively reduced liquid crystal has reduced the idle space on screen; S4, to formed liquid crystal grid, carries out UV-irradiation, makes to be present in the polymer polymerizing in liquid crystal, to complete the preparation of reflection Red, green, blue liquid crystal; S5, carry out overall ultraviolet lighting control to wanting viewing area, liquid crystal completes after the variation of attribute by the photon that absorbs specific wavelength and energy, it is carried out to voltage magnitude difference simultaneously, waveform difference, dutycycle does not change on an equal basis to be executed alive attribute and regulates redness, green, blue GTG, so that GTG and the brightness of reflection Red, green, blue liquid crystal match with chromatic value and the brightness of wish formation color; S6, is aided with temperature control and is realized the GTG control of red green blue tricolor by ultraviolet lighting.
In above-mentioned arbitrary technical scheme, preferably, in step S1, complete the device that illumination control is provided, liquid crystal grid is controlled in real time, to save the energy and raise the efficiency.
In above-mentioned arbitrary technical scheme preferably, in step S2, form airtight grid by certain mode, utilize certain way to be injected in grid in the liquid crystal that is mixed with polymer monomer, carry out illumination with ultraviolet light, make to form respectively reflection Red, green, blue corresponding cholesteric liquid crystal in different grid, this trichromatic liquid crystal grid close proximity, has formed a complete pixel.
In above-mentioned arbitrary technical scheme preferably, in step S2, the formation of airtight grid is mainly to pass through uv photopolymerization, make each grid form fence structure, and other spaces are uninfluenced, liquid crystal is stored wherein, liquid crystal grid that more accordingly should reflection Red is irradiated and makes the liquid crystal that its formation can reflection Red afterwards; Liquid crystal grid that accordingly should reflection green is irradiated and makes the liquid crystal that its formation can reflection green; Liquid crystal grid that accordingly should reflection blue is irradiated and makes the liquid crystal that its formation can reflection blue.
In above-mentioned arbitrary technical scheme, preferably, in this preparation method, conductive material adopts copper, aluminium, and Heat Conduction Material adopts copper.
In above-mentioned arbitrary technical scheme, preferably, in this preparation method, the transparent electrode material of choosing is close with flexible base, board elastic modulus, and transparency electrode can be ITO or other metal oxide materials.
In above-mentioned arbitrary technical scheme, preferably, in this preparation method, reflection Red, green, blue trichromatic liquid crystal are placed in airtight one by one space and are controlled.
In above-mentioned arbitrary technical scheme preferably, in this preparation method, flexible liquid crystal color display device part is by tristimulus values and the brightness of the wish apparent color that transmits in advance, point to arrow by the hybrid mode control cholesteric liquid crystal that applies UV-irradiation and heating, and then control each grid internal reflection redness, green, blue reflectivity, to reach the object of controlling GTG and brightness, complete the demonstration of full color.
In above-mentioned arbitrary technical scheme preferably, in this preparation method, change after the attribute of liquid crystal by controlling ultraviolet lighting, by applying different attribute, or different amplitude, or different wave under same amplitude, or different frequency, different duty under same amplitude and same waveform, apply voltage single attribute and multiple attribute by adjusting, simultaneously or asynchronously carry out applying of voltage and make liquid crystal complete the significant change of reflectivity, thereby realize GTG.
Flexible liquid crystal color display device part of the present invention, it is a kind of colorize device of automatically controlled and light-operated cholesteric liquid crystal, determine liquid crystal has been applied to the voltage of different attribute, idiographic flow and the parameter etc. that illumination methods carries out pixel gray level control, completed full-color demonstration; Device groundwork layer be ground floor transparency conducting layer to facilitate liquid crystal applied voltages and to carry out illumination, carry out GTG control; And the second layer, be three kinds of liquid crystal of the wavelength reflection Red corresponding with three primary colors, green, blueness.Three kinds of liquid crystal are isolated mutually, do not interfere with each other, and close proximity, form a pixel.
The preparation method of flexible liquid crystal color display device part of the present invention, it is the mode that forms more easily reflection Red, green, blueness by a kind of, more high-level efficiency and in high quality by Liquid crystal pour in controlled grid, and make liquid crystal realize the control of desired red color, green, blue pitch; Encapsulated by the mode of ultraviolet light polymerization, by the chromatic value of wish Show Color and the information of brightness that obtain, specific grid carried out to the control of illumination, realized the colorize of a pixel, and and then realize the full-color of whole device; Be that mode by injecting liquid crystal after each grid of first involution can reduce the risk that liquid crystal that pitch is different does not very mix, and by three-primary colours GTG control accurately, the high-quality completely that has completed pixel color is realized.
Brief description of the drawings
Fig. 1 is according to the structural representation of the flexible liquid crystal colorize device of the preparation of a preferred embodiment of flexible liquid crystal color display device part of the present invention and preparation method thereof;
Fig. 2 is the fence structure schematic diagram after fixing according to the liquid crystal pitch of a preferred embodiment of flexible liquid crystal color display device part of the present invention and preparation method thereof;
Fig. 3 is according to the relative position schematic diagram of the transparency electrode of a preferred embodiment of flexible liquid crystal color display device part of the present invention and preparation method thereof and flexible base, board;
Fig. 4 is according to preparation method's schematic diagram of the flexible liquid crystal color display device part of a preferred embodiment of flexible liquid crystal color display device part of the present invention and preparation method thereof;
Fig. 5 is according to the gray scale variation figure of the cholesteric liquid crystal of the control reflection Red of a preferred embodiment of flexible liquid crystal color display device part of the present invention and preparation method thereof;
Fig. 6 is according to the gray scale variation figure of the cholesteric liquid crystal of the control reflection green of a preferred embodiment of flexible liquid crystal color display device part of the present invention and preparation method thereof;
Fig. 7 is according to the gray scale variation figure of the cholesteric liquid crystal of the control reflection blue of a preferred embodiment of flexible liquid crystal color display device part of the present invention and preparation method thereof;
Fig. 8 is according to the illumination position view of a preferred embodiment of flexible liquid crystal color display device part of the present invention and preparation method thereof.
Accompanying drawing mark:
1, upper flexible substrate layer, 2, upper transparency electrode, 3, upper oriented layer, 4, sealing glue, 5, liquid crystal layer, 6, liquid crystal, 7, sealing glue, 8, lower oriented layer, 9, lower transparency electrode, 10, lower flexible substrate layer, 11, flexible base, board, 12, transparent conductive film.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is elaborated, below describe only conduct demonstration and explain, the present invention is not done to any pro forma restriction.
As shown in Figure 1 to Figure 3, flexible liquid crystal color display device part, comprise liquid crystal and flexible full-colored look display panel, the top-down structure of flexible full-colored look display panel is divided into flexible substrate layer 1, upper oriented layer 3, liquid crystal layer 5, lower oriented layer 8, lower flexible substrate layer 10, upper transparency conducting layer and control circuit layer, lower transparency conducting layer and control circuit layer, upper transparency conducting layer and control circuit layer, lower transparency conducting layer and control circuit layer take up space thin, little in display device, have reduced pixel idle space around; Liquid crystal layer 5 applies corresponding voltage by upper strata flexible base, board, lower floor's flexible base, board and heat is controlled trichromatic GTG.
Upper transparency conducting layer and control circuit layer form upper transparency electrode 2, and lower transparency conducting layer and control circuit layer form lower transparency electrode 9.Upper transparency conducting layer and lower transparency conducting layer form the ground floor of display device, to liquid crystal applied voltages and carry out illumination, carry out GTG control.Liquid crystal comprises three kinds of liquid crystal of the wavelength reflection Red corresponding with three primary colors, green, blueness, the wavelength reflection Red corresponding with three primary colors, green, blue three kinds of second layers that liquid crystal is display device, and three kinds of liquid crystal are isolated mutually, are not interfere with each other, very near a, pixel of composition mutually.The ground floor of display device, the groundwork layer that the second layer forms this display device.
Flexible liquid crystal color display device part edge device sealing glue 7, upper flexible substrate layer, lower flexible substrate layer form flexible base, board 11, are coated with transparent conductive film 12 on flexible base, board 11.
As shown in Figure 4, the preparation method of flexible liquid crystal color display device part, comprises flexible liquid crystal color display device part as above, and it comprises the steps:
S1, completes the stickup of transparency conductive electrode on flexible base, board;
S2, completes the preparation of airtight grid, complete target pitch can reflection Red, the cholesteric liquid crystal of green, blue corresponding pitch;
S3, formation can reflection Red, the structure of green, blue liquid crystal, and solution monochrome is in this way injected difficult problem, and each red liquid crystal grid is around green and blue grid, a pixel of common formation, the waste that raising irrigation crystal efficiency has also effectively reduced liquid crystal has reduced the idle space on screen;
S4, to formed liquid crystal grid, carries out UV-irradiation, makes to be present in the polymer polymerizing in liquid crystal, to complete the preparation of reflection Red, green, blue liquid crystal;
S5, carry out overall ultraviolet lighting control to wanting viewing area, liquid crystal completes after the variation of attribute by the photon that absorbs specific wavelength and energy, it is carried out to voltage magnitude difference simultaneously, waveform difference, dutycycle does not change on an equal basis to be executed alive attribute and regulates redness, green, blue GTG, so that GTG and the brightness of reflection Red, green, blue liquid crystal match with chromatic value and the brightness of wish formation color;
S6, is aided with temperature control and is realized the GTG control of red green blue tricolor by ultraviolet lighting.
Wherein, in step S1, complete the device that illumination control is provided, liquid crystal grid is controlled in real time, to save the energy and raise the efficiency.
In step S2, form airtight grid by certain mode, utilize certain way to be injected in grid in the liquid crystal that is mixed with polymer monomer, carry out illumination with ultraviolet light, make to form respectively in different grid reflection Red, green, blue corresponding cholesteric liquid crystal, this trichromatic liquid crystal grid close proximity, has formed a complete pixel.
In step S2, the formation of airtight grid is mainly by uv photopolymerization, make each grid form fence structure, and other spaces is uninfluenced, liquid crystal is stored wherein, liquid crystal grid that more accordingly should reflection Red is irradiated and makes the liquid crystal that its formation can reflection Red afterwards; Liquid crystal grid that accordingly should reflection green is irradiated and makes the liquid crystal that its formation can reflection green; Liquid crystal grid that accordingly should reflection blue is irradiated and makes the liquid crystal that its formation can reflection blue.
In this preparation method, conductive material adopts copper, aluminium, and Heat Conduction Material adopts copper.
In this preparation method, the transparent electrode material of choosing is close with flexible base, board elastic modulus, and transparency electrode can be ITO or other metal oxide materials.
In this preparation method, reflection Red, green, blue trichromatic liquid crystal are placed in airtight one by one space and are controlled.
In this preparation method, flexible liquid crystal color display device part is by tristimulus values and the brightness of the wish apparent color that transmits in advance, point to arrow by the hybrid mode control cholesteric liquid crystal that applies UV-irradiation and heating, and then control each grid internal reflection redness, green, blue reflectivity, to reach the object of controlling GTG and brightness, complete the demonstration of full color.
In this preparation method, change after the attribute of liquid crystal by controlling ultraviolet lighting, by applying different attribute, or different amplitudes, or different wave under same amplitude, or different frequency, different duty under same amplitude and same waveform, apply voltage single attribute and multiple attribute by adjusting, simultaneously or asynchronously carry out applying of voltage and make liquid crystal complete the significant change of reflectivity, thus realize GTG.
As shown in Fig. 5 to Fig. 8, in force, the flexible liquid crystal colorize display device of liquid crystal display device, its concrete preparation process is as follows:
(1) manufacture specific transparency conductive electrode, in order to the single primary colors of the single pixel of LCD screen is applied to voltage and temperature, illumination;
(2) on flexible base, board, be coated with transparent conductive film.The elasticity of this transparent conductive film is better, can be used in repeatedly bending, and formation before bending maybe can recover, and completes the conducting function of expectation.Its shape as shown in Figure 3;
By wet coating technique, dry-film technology lamp technology is carried out the coating of oriented material, and utilizes friction orientation, light orientation, and the modes such as ion beam orientation are carried out the orientation process of transparency conducting layer, so that liquid crystal better completes arrangement;
(3) in the liquid crystal pouring into, be mixed with nanometer polymer, polymkeric substance can solidify under the irradiation of ultraviolet light, forms the grid one by one that stops liquid crystal to flow.In this step, should note not needing the part being cured will utilize the devices such as blackboard to carry out light isolation;
(4) different grid is carried out to the UV-irradiation of corresponding different wave length, frequency light intensity, make it to form the liquid crystal of the pitch that redness, green, blue wavelength that this grid should reflect adapt, as shown in Figure 4;
(5) heat conduction and electric installation are connected with electrode, in order to by the signal obtaining, are converted into voltage and thermal signal and pass to the primary colors region of the pixel that will show this information;
(6) utilize glue the edge of LCD screen to be sealed as AB glue etc.;
(7) want the redness, green, blue trichromatic chromatic value of display color pixel and the corresponding relation with each GTG and brightness thereof by finding, three kinds of liquid crystal are carried out respectively to the control of voltage and temperature, so that the variation of expectation occurs its GTG.
The electrode that the cholesteric liquid crystal both sides of reflection Red are positioned on flexible base, board applies voltage and illumination by wire, makes it show the corresponding liquid crystal attribute of colored red chromatic value that show.Be that amplitude is 15v as the cholesteric liquid crystal of reflection Red is subject to voltage when the UV-irradiation absorption energy time that is subject to 365nm is 0.01s, frequency is 50kHZ, and it is 70% that the square-wave voltage that be 0.01s action time is made used time reflectivity; Be 15v being subject to voltage, frequency is 50kHZ, and always making used time reflectivity with the triangle wave voltage that the time is 0.01s is 60%; Be 15v being subject to voltage, frequency is 50kHZ, and the sine wave effect reflectivity that be 0.01s action time is 20%; By controlling different waveforms, the limit of making the reflectivity of used time when its more alike sine wave is 0; Its more image space ripple to make the reflectivity limit of used time be 70%.Be 70% to be bright state as the highest state of reflectivity using nearest reflectivity, the state that is 0 using reflectivity is divided as dark state, obtains the GTG and the relation that applies waveform of liquid crystal, can realize and control red any GTG.
The electrode that the cholesteric liquid crystal both sides of reflection green are positioned on flexible base, board applies voltage and illumination by wire, makes it show the colored reflectivity corresponding to green chromatic value that show.As the cholesteric liquid crystal of controlling reflection Red is when the UV-irradiation that is subject to 365nm absorbs energy time and is 0.01s, being subject to voltage is that amplitude is 15v, and frequency is 50kHZ, and it is 65% that the square-wave voltage that be 0.01s action time is made used time reflectivity; Be 15v being subject to voltage, frequency is 50kHZ, and always making used time reflectivity with the triangle wave voltage that the time is 0.01s is 50%; Be 15v being subject to voltage, frequency is 50kHZ, and the sine wave effect reflectivity that be 0.01s action time is 20%; By controlling different waveforms, the limit of making the reflectivity of used time when its more alike sine wave is 0; Its more image space ripple to make the reflectivity limit of used time be 65%.Be 65% to be bright state as the highest state of reflectivity using nearest reflectivity, the state that is 0 using reflectivity is divided as dark state, obtains the GTG and the relation that applies waveform of liquid crystal, can realize and control green any GTG.
The electrode that the cholesteric liquid crystal both sides of reflection blue are positioned on flexible base, board applies voltage and illumination by wire, makes it show the colored reflectivity corresponding to blue chromatic value that show.As the cholesteric liquid crystal of controlling reflection Red is when the UV-irradiation that is subject to 365nm absorbs energy time and is 0.01s, being subject to voltage is that amplitude is 15v, and frequency is 50kHZ, and it is 60% that the square-wave voltage that be 0.01s action time is made used time reflectivity; Be 15v being subject to voltage, frequency is 50kHZ, and always making used time reflectivity with the triangle wave voltage that the time is 0.01s is 55%; Be 15v being subject to voltage, frequency is 50kHZ, and the sine wave effect reflectivity that be 0.01s action time is 10%; By controlling different waveforms, the limit of making the reflectivity of used time when its more alike sine wave is 0; Its more image space ripple to make the reflectivity limit of used time be 60%.Be 60% to be bright state as the highest state of reflectivity using nearest reflectivity, the state that is 0 using reflectivity is divided as dark state, obtains the GTG and the relation that applies waveform of liquid crystal, can realize and control blue any GTG.
The mode of controlling GTG also can, for keeping liquid crystal molecule attribute to change under identical prerequisite in controlled light frequency, realize the control of GTG by changing the different frequency of same type voltage.The electrode being positioned on flexible base, board as the cholesteric liquid crystal both sides to reflection Red applies voltage and illumination by wire, makes it show the colored reflectivity corresponding to red chromatic value that show.If the cholesteric liquid crystal of reflection Red is when the UV-irradiation absorption energy time that is subject to 365nm is 0.01s, being subject to voltage is that amplitude is 15v, and frequency is 50kHZ, and it is 70% that the square-wave voltage that be 0.01s action time is made used time reflectivity; Be 15v being subject to voltage, frequency is 45kHZ, and always making used time reflectivity with the square-wave voltage that the time is 0.01s is 60%; Be 15v being subject to voltage, frequency is 5kHZ, and the sine wave effect reflectivity that be 0.01s action time is 20%; By controlling different frequencies, when its limit of making the reflectivity of used time at this kind of square wave of 5kHZ is 0; When its reflectivity limit of doing the used time at this kind of square wave of 50kHZ is 70%.Be 70% to be bright state as the highest state of reflectivity using reflectivity, the state that is 0 using reflectivity is divided as dark state, obtains the GTG and the relation that applies waveform frequency of liquid crystal, can realize and control red any GTG.
The electrode that the cholesteric liquid crystal both sides of reflection green are positioned on flexible base, board applies voltage and illumination by wire, makes it show the colored reflectivity corresponding to green chromatic value that show.If the cholesteric liquid crystal of reflection green is when the UV-irradiation absorption energy time that is subject to 365nm is 0.01s, being subject to voltage is that amplitude is 15v, and frequency is 60kHZ, and it is 70% that the square-wave voltage that be 0.01s action time is made used time reflectivity; Be 15v being subject to voltage, frequency is 50kHZ, and always making used time reflectivity with the square-wave voltage that the time is 0.01s is 60%; Be 15v being subject to voltage, frequency is 8kHZ, and the square wave effect reflectivity that be 0.01s action time is 20%; By controlling different frequencies, when its limit of making the reflectivity of used time at this kind of square wave of 5kHZ is 0; When its reflectivity limit of doing the used time at this kind of square wave of 50kHZ is 70%.Be 70% to be bright state as the highest state of reflectivity using reflectivity, the state that is 0 using reflectivity is divided as dark state, obtains the GTG and the relation that applies waveform frequency of liquid crystal, can realize and control green any GTG.
The electrode that the cholesteric liquid crystal both sides of reflection blue are positioned on flexible base, board applies voltage and illumination by wire, makes it show the colored reflectivity corresponding to blue chromatic value that show.If the cholesteric liquid crystal of reflection blue is when the UV-irradiation absorption energy time that is subject to 365nm is 0.01s, being subject to voltage is that amplitude is 15v, and frequency is 80kHZ, and it is 70% that the square-wave voltage that be 0.01s action time is made used time reflectivity; Be 15v being subject to voltage, frequency is 70kHZ, and always making used time reflectivity with the square-wave voltage that the time is 0.01s is 60%; Be 15v being subject to voltage, frequency is 10kHZ, and the square wave effect reflectivity that be 0.01s action time is 20%; By controlling different frequencies, when its limit of making the reflectivity of used time at this kind of square wave of 5kHZ is 0; When its reflectivity limit of doing the used time at this kind of square wave of 50kHZ is 70%.Be 70% to be bright state as the highest state of reflectivity using reflectivity, the state that is 0 using reflectivity is divided as dark state, obtains the GTG and the relation that applies waveform frequency of liquid crystal, can realize and control blue any GTG.
The method of controlling GTG also can reach the object of controlling GTG for the amplitude that changes voltage after producing identical attribute change at certain illumination control liquid crystal.The electrode being positioned on flexible base, board as the cholesteric liquid crystal both sides to reflection Red applies voltage and illumination by wire, makes it show the colored reflectivity corresponding to red chromatic value that show.If the cholesteric liquid crystal of reflection Red is when the UV-irradiation absorption energy time that is subject to 365nm is 0.01s, being subject to voltage is that amplitude is 12v, and frequency is 80kHZ, and it is 70% that the square-wave voltage that be 0.01s action time is made used time reflectivity; Be 15v being subject to voltage, frequency is 80kHZ, and always making used time reflectivity with the square-wave voltage that the time is 0.01s is 60%; Be 20v being subject to voltage, frequency is 80kHZ, and the square wave effect reflectivity that be 0.01s action time is 2%; By controlling different voltage magnitudes, when its limit of making the reflectivity of used time at this kind of square wave of 20v is 0; When its reflectivity limit of doing the used time at this kind of square wave of 12v is 70%.Be 70% to be bright state as the highest state of reflectivity using reflectivity, the state that is 0 using reflectivity is divided as dark state, the GTG that obtains liquid crystal with execute alive relation, can realize and control red any GTG.
The electrode that the cholesteric liquid crystal both sides of reflection green are positioned on flexible base, board applies voltage and illumination by wire, makes it show the colored reflectivity corresponding to green chromatic value that show.If the cholesteric liquid crystal of reflection green is when the UV-irradiation absorption energy time that is subject to 365nm is 0.01s, being subject to voltage is that amplitude is 10v, and frequency is 80kHZ, and it is 70% that the square-wave voltage that be 0.01s action time is made used time reflectivity; Be 11v being subject to voltage, frequency is 80kHZ, and always making used time reflectivity with the square-wave voltage that the time is 0.01s is 60%; Be 16v being subject to voltage, frequency is 80kHZ, and the sine wave effect reflectivity that be 0.01s action time is 2%; By controlling different voltage magnitudes, when its limit of making the reflectivity of used time at this kind of square wave of 16v is 0; When its reflectivity limit of doing the used time at this kind of square wave of 10v is 70%.Be 70% to be bright state as the highest state of reflectivity using reflectivity, the state that is 0 using reflectivity is divided as dark state, the GTG that obtains liquid crystal with execute alive relation, can realize and control green any GTG.
The electrode that the cholesteric liquid crystal both sides of reflection blue are positioned on flexible base, board applies voltage and illumination by wire, makes it show the colored reflectivity corresponding to blue chromatic value that show.If the cholesteric liquid crystal of reflection blue is when the UV-irradiation absorption energy time that is subject to 365nm is 0.01s, being subject to voltage is that amplitude is 12v, and frequency is 80kHZ, and it is 70% that the square-wave voltage that be 0.01s action time is made used time reflectivity; Be 13v being subject to voltage, frequency is 70kHZ, and always making used time reflectivity with the square-wave voltage that the time is 0.01s is 60%; Be 19v being subject to voltage, frequency is 10kHZ, and the sine wave effect reflectivity that be 0.01s action time is 20%; By controlling different waveforms, when its limit of making the reflectivity of used time at this kind of square wave of 5kHZ is 0; When its reflectivity limit of doing the used time at this kind of square wave of 50kHZ is 70%.Be 70% to be bright state as the highest state of reflectivity using reflectivity, the state that is 0 using reflectivity is divided as dark state, the GTG that obtains liquid crystal with execute alive relation, can realize and control blue any GTG.
In above-mentioned steps, only to showing that to pixel relevant redness, green, blue grid carry out the control of voltage and temperature.
The above is only that the preferred embodiment of the present invention is described; not that scope of the present invention is limited; design under the prerequisite of spirit not departing from the present invention; various distortion and improvement that the common engineering technical personnel in this area make technical scheme of the present invention, all should fall in the definite protection domain of claims of the present invention.
Claims (10)
1. a flexible liquid crystal color display device part, comprise liquid crystal and flexible full-colored look display panel, the top-down structure of flexible full-colored look display panel is divided into flexible substrate layer, upper oriented layer, liquid crystal layer, lower oriented layer, lower flexible substrate layer, it is characterized in that: also comprise transparency conducting layer and control circuit layer, lower transparency conducting layer and control circuit layer; Described upper transparency conducting layer and control circuit layer, lower transparency conducting layer and control circuit layer take up space thin, little in display device, have reduced pixel idle space around; Described liquid crystal layer applies corresponding voltage by upper strata flexible base, board, lower floor's flexible base, board and heat is controlled trichromatic GTG.
2. flexible liquid crystal color display device part as claimed in claim 1, is characterized in that: described upper transparency conducting layer and control circuit layer form upper transparency electrode, and described lower transparency conducting layer and control circuit layer form lower transparency electrode.
3. flexible liquid crystal color display device part as claimed in claim 1 or 2, is characterized in that: described upper transparency conducting layer and lower transparency conducting layer form the ground floor of display device, to liquid crystal applied voltages and carry out illumination, carries out GTG control.
4. flexible liquid crystal color display device part as claimed in claim 1, is characterized in that: described liquid crystal comprises three kinds of liquid crystal of the wavelength reflection Red corresponding with three primary colors, green, blueness.
5. flexible liquid crystal color display device part as claimed in claim 4, it is characterized in that: the described wavelength reflection Red corresponding with three primary colors, green, blue three kinds of second layers that liquid crystal is display device, and three kinds of liquid crystal are isolated mutually, are not interfere with each other, very near a, pixel of composition mutually.
6. a preparation method for flexible liquid crystal color display device part, comprises the flexible liquid crystal color display device part as described in claim 1-5, it is characterized in that: this preparation method comprises the steps:
S1, completes the stickup of transparency conductive electrode on flexible base, board;
S2, completes the preparation of airtight grid, complete target pitch can reflection Red, the cholesteric liquid crystal of green, blue corresponding pitch;
S3, formation can reflection Red, the structure of green, blue liquid crystal, and solution monochrome is in this way injected difficult problem, and each red liquid crystal grid is around green and blue grid, a pixel of common formation, the waste that raising irrigation crystal efficiency has also effectively reduced liquid crystal has reduced the idle space on screen;
S4, to formed liquid crystal grid, carries out UV-irradiation, makes to be present in the polymer polymerizing in liquid crystal, to complete the preparation of reflection Red, green, blue liquid crystal;
S5, carry out overall ultraviolet lighting control to wanting viewing area, liquid crystal completes after the variation of attribute by the photon that absorbs specific wavelength and energy, it is carried out to voltage magnitude difference simultaneously, waveform difference, dutycycle does not change on an equal basis to be executed alive attribute and regulates redness, green, blue GTG, so that GTG and the brightness of reflection Red, green, blue liquid crystal match with chromatic value and the brightness of wish formation color;
S6, is aided with temperature control and is realized the GTG control of red green blue tricolor by ultraviolet lighting.
7. the preparation method of flexible liquid crystal color display device part as claimed in claim 6, is characterized in that: in step S1, complete the device that illumination control is provided, liquid crystal grid is controlled in real time, to save the energy and raise the efficiency.
8. the preparation method of flexible liquid crystal color display device part as claimed in claim 6, it is characterized in that: in step S2, form airtight grid by certain mode, utilize certain way to be injected in grid in the liquid crystal that is mixed with polymer monomer, carry out illumination with ultraviolet light, make to form respectively reflection Red, green, blue corresponding cholesteric liquid crystal in different grid, this trichromatic liquid crystal grid close proximity, has formed a complete pixel.
9. the preparation method of flexible liquid crystal color display device part as claimed in claim 6, it is characterized in that: in step S2, the formation of airtight grid is mainly to pass through uv photopolymerization, make each grid form fence structure, and other spaces are uninfluenced, liquid crystal is stored wherein, liquid crystal grid that more accordingly should reflection Red is irradiated and makes the liquid crystal that its formation can reflection Red afterwards; Liquid crystal grid that accordingly should reflection green is irradiated and makes the liquid crystal that its formation can reflection green; Liquid crystal grid that accordingly should reflection blue is irradiated and makes the liquid crystal that its formation can reflection blue.
10. the preparation method of flexible liquid crystal color display device part as claimed in claim 6, is characterized in that: in this preparation method, conductive material adopts copper, aluminium, and Heat Conduction Material adopts copper.
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| CN201410361939.0A CN104111551A (en) | 2014-06-28 | 2014-07-28 | Flexible liquid crystal colorization display device and preparation method thereof |
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| CN111029333A (en) * | 2019-11-22 | 2020-04-17 | 深圳市奥拓电子股份有限公司 | Promote LED lamp pearl and LED display screen of display effect |
| CN112285965A (en) * | 2020-11-04 | 2021-01-29 | 武汉华星光电技术有限公司 | Liquid crystal display panel and method for manufacturing the same |
| CN113391493A (en) * | 2021-07-07 | 2021-09-14 | 南京邮电大学 | Wide-viewing-angle bistable liquid crystal erasable display device and display method thereof |
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| CN204086741U (en) * | 2014-06-28 | 2015-01-07 | 中能柔性光电（滁州）有限公司 | A kind of flexible liquid crystal color display device part |
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| CN204086741U (en) | 2015-01-07 |
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