CN202166803U - Three-dimensional displayer - Google Patents
Three-dimensional displayer Download PDFInfo
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- CN202166803U CN202166803U CN2011202549477U CN201120254947U CN202166803U CN 202166803 U CN202166803 U CN 202166803U CN 2011202549477 U CN2011202549477 U CN 2011202549477U CN 201120254947 U CN201120254947 U CN 201120254947U CN 202166803 U CN202166803 U CN 202166803U
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Abstract
The utility model discloses a three-dimensional displayer, comprising a displayer and a liquid crystal box module, wherein the liquid crystal box module delays the phases of the lights emitted by the displayer and corresponding to the same complete display picture, and forms a left-handed polarized light and a right-handed polarized light. The three-dimensional displayer disclosed by the utility model realizes a three-dimensional display in case of no loss in picture information. The ferroelectric liquid crystal and anti-ferroelectric liquid crystal disclosed by the utility model have a fast response speed and a low influence on the brightness of the displayer.
Description
[technical field]
The utility model relates to a kind of three-dimensional (3D) display.
[background technology]
Existing three dimensional display technology has active shutter glasses, and fixed polaroid glasses etc. need the technology of wearing spectacles, and lens pillar and fixed grating etc. do not need the technology of wearing spectacles.
Adopt the display of fixed polaroid glasses technology to arrange quarter wave plate, the linearly polarized light of display outgoing is become circularly polarized light in the outside of light-emitting face.The phase delay chip of phase differential 1/2 wavelength (180 degree) of fixed pattern is arranged through a slice again, after the feasible light signal that arrives left eye and right eye passes through the phase delay of phase difference of half wavelength respectively, form left-handed polarization and dextrorotation polarisation and arrive the observer.The fixed polaroid glasses that the observer wears, left eye and right eye can pass through left-handed polarization and dextrorotation polarisation respectively, therefore can form 3-dimensional image.Fixed polaroid glasses technology is owing to the information that need in a picture, show left eye and right eye simultaneously, so the image information minimizing that flat-panel screens can be represented is half the, and this is the maximum shortcomings of fixed polaroid glasses technology.The polaroid glasses technology has an angle limitations on the direction simultaneously.In addition, on processing procedure, patterned retardation plate need with make displays contraposition accurately, processing procedure more complicated, and yield had certain influence, thus cause manufacturing cost higher.
[utility model content]
The purpose of the utility model is to provide a kind of three dimensional display, reduces half the problem to solve existing three dimensional display institute picture displayed information.
The purpose of the utility model realizes through following technical scheme:
A kind of three dimensional display, said three dimensional display comprises: display; The phase delay of the light of the corresponding same complete display frame that is used for said display is sent, and form the left-handed polarization of corresponding same complete display frame and the liquid crystal cell module of dextrorotation polarisation; Said display also comprises Polarizer.
In an embodiment of the utility model; Said liquid crystal cell module comprises ferroelectric liquid crystals box and the 1/4 wavelength phase delay chip that changes polarization direction; Said ferroelectric liquid crystals box has 1/2 wavelength phase delay; Said ferroelectric liquid crystals box and said 1/4 wavelength phase delay chip fit in the exiting surface of said display; The Polarizer absorption axes of said display is parallel with the alignment direction of said ferroelectric liquid crystals box, and the Polarizer of said 1/4 wavelength phase delay chip and said display absorbs the axle clamp miter angle.
In an embodiment of the utility model; Said liquid crystal cell module comprises ferroelectric liquid crystals box and the 1/4 wavelength phase delay chip that changes polarization direction; Said ferroelectric liquid crystals box has 1/2 wavelength phase delay; Said ferroelectric liquid crystals box and said 1/4 wavelength phase delay chip fit in the exiting surface of said display; The Polarizer absorption axes of said display and the alignment direction of said ferroelectric liquid crystals box are pressed from both sides 22.5 degree angles, and the Polarizer absorption axes of said 1/4 wavelength phase delay chip and said display is parallel.
In an embodiment of the utility model; Said liquid crystal cell module comprises the antiferroelectric type liquid crystal cell that changes polarization direction; Said antiferroelectric type liquid crystal cell has 1/4 wavelength phase delay; Said antiferroelectric type liquid crystal cell fits in the exiting surface of said display, and the Polarizer absorption axes of said display is parallel with the alignment direction of said antiferroelectric type liquid crystal cell.
In an embodiment of the utility model, said display is a LCD.
The three dimensional display of the utility model does not adopt the phase delay chip of phase differential 1/2 wavelength of constant spacing; But through active phase delay; The phase delay of the light of the corresponding same complete display frame of sending display; Through the orientation of change liquid crystal cell, thereby change polarization direction, form the left-handed polarization and the dextrorotation polarisation of corresponding same complete display frame respectively; Can be issued to 3-D display in the situation of the information of not losing picture, thereby avoid the picture resolution to reduce half the problem.
Ferroelectric liquid crystals and antiferroelectric type liquid crystal that the utility model adopts have the characteristic of wide viewing angle, and the visual angle of the stereo-liquid crystal display device of the utility model can not be affected.In addition,, can be lower than below 1 millisecond, to low than fast gate-type three dimensional display of the influence of the brightness of three dimensional display because the answer speed of ferroelectric liquid crystals and antiferroelectric type liquid crystal is faster than the answer speed of nematic crystal.
[description of drawings]
Fig. 1 is the light path principle synoptic diagram of the utility model.
Fig. 2 is the three dimensional display synoptic diagram of first preferred embodiment of the utility model.
Fig. 3 is the three dimensional display synoptic diagram of the 3rd preferred embodiment of the utility model.
Fig. 4 A and Fig. 4 B are the measured result synoptic diagram of response time of antiferroelectric type liquid crystal of the 3rd preferred embodiment of the utility model.
[embodiment]
For making the utility model above-mentioned purpose, characteristic and advantage more obviously understandable, hereinafter is special lifts the utility model preferred embodiment, and conjunction with figs., elaborates.
Embodiment one
As shown in Figure 1, the light path principle synoptic diagram of the three dimensional display that provides for the utility model, this three dimensional display comprise display 1 and liquid crystal cell module 2.Liquid crystal cell module 2 is placed between display 1 and the observer.Display 1 comprises Polarizer, and liquid crystal cell module 2 comprises liquid crystal cell 21 and 1/4 wavelength phase delay chip 22.Double arrowed line in the display 1 is the transmission direction of the Polarizer of display 1.Phase delay 0 wavelength of the light of the corresponding same complete display frame that the first half of liquid crystal cell 21 is sent display; Phase delay 1/2 wavelength of the light of the corresponding same complete display frame that the latter half of liquid crystal cell 21 is sent display forms the left-handed polarization and the dextrorotation polarisation of corresponding same complete display frame.The left side eyeglass of the polaroid glasses 3 that the observer wears is with quarter wave plate, and the right side eyeglass has-quarter wave plate, and left eye and right eye can pass through left-handed polarization and dextrorotation polarisation respectively, forms 3-dimensional image.
As shown in Figure 2, the first preferred embodiment three dimensional display synoptic diagram of the utility model.Wherein, display 1 is a LCD, and display 1 comprises Polarizer.Liquid crystal cell module 2 comprises ferroelectric liquid crystals (Ferroelectric Liquid Crystal) box 21 and 1/4 wavelength phase delay chip 22.Ferroelectric liquid crystals box 21 has 1/2 wavelength phase delay, and ferroelectric liquid crystals box 21 and 1/4 wavelength phase delay chip 22 fit in the exiting surface of LCD 1.The Polarizer absorption axes of LCD 1 is parallel with the alignment direction of the liquid crystal molecule of ferroelectric liquid crystals box 2, and the Polarizer of 1/4 wavelength phase delay chip 22 and LCD 1 absorbs the axle clamp miter angle.Be applied with electric field on the ferroelectric liquid crystals box 21 to change polarization direction.
When light process ferroelectric liquid crystals box 21, polarization direction is not constant when having impressed voltage.If ferroelectric liquid crystals box 21 is added the voltage of suitable size, the orientation of the liquid crystal molecule of ferroelectric liquid crystals box 21 changes to another stable state, and 1/2 wavelength phase delay of ferroelectric liquid crystals box 21 can make polarization direction change 90 degree.The Polarizer absorption axes of 1/4 wavelength phase delay chip 22 and LCD 1 is parallel; Again through 1/4 wavelength phase delay chip 22, can form left-handed polarization and dextrorotation polarisation respectively behind the light process ferroelectric liquid crystals box 21 that LCD 1 sends because polarization direction is different.Come analyzing by the corresponding polaroid glasses 3 of right and left eyes respectively then, thereby isolate the right and left eyes image, by brain this two width of cloth image is synthesized the image with 3-D effect again.
Embodiment two
The structure of the three dimensional display of the structure of the three dimensional display of present embodiment and embodiment one is basic identical.The difference of present embodiment and embodiment one is that the alignment direction of the Polarizer absorption axes of LCD 1 and the liquid crystal molecule of ferroelectric liquid crystals box 21 is pressed from both sides 22.5 degree angles.The phase delay of ferroelectric liquid crystals box 21 is 1/2 wavelength, and the Polarizer absorption axes of 1/4 wavelength phase delay chip 22 and LCD 1 is parallel.Be applied with electric field on the ferroelectric liquid crystals box 21 to change polarization direction.
When not having impressed voltage, the angle of the Polarizer absorption axes of 21 pairs of LCDs 1 of ferroelectric liquid crystals box is 22.5 degree; When ferroelectric liquid crystals box 21 was added the voltage of suitable size, the angle of the Polarizer absorption axes of 21 pairs of LCDs 1 of ferroelectric liquid crystals box was-22.5 degree.The phase delay of ferroelectric liquid crystals box 21 makes polarization direction change 45 and-45 degree respectively respectively.The Polarizer absorption axes of 1/4 wavelength phase delay chip 22 and LCD 1 is parallel; Again through 1/4 wavelength phase delay chip 22, can form left-handed polarization and dextrorotation polarisation respectively behind the light process ferroelectric liquid crystals box 21 that LCD 1 sends because polarization direction is different.Come analyzing by the corresponding polaroid glasses 3 of right and left eyes respectively then, thereby isolate the right and left eyes image, by brain this two width of cloth image is synthesized the image with 3-D effect again.
Embodiment three
As shown in Figure 3, be the synoptic diagram of the three-dimensional liquid crystal display of the utility model the 3rd preferred embodiment, this three dimensional display comprises display 1 and liquid crystal cell module 2, display 1 comprises Polarizer.The phase delay of the light of the corresponding same complete display frame that liquid crystal cell module 2 is sent display, and form the left-handed polarization and the dextrorotation polarisation of corresponding same complete display frame.Display 1 is a LCD.Liquid crystal cell module 2 comprises antiferroelectric type liquid crystal (Anti-Ferroelectric Liquid Crystal) box 21, and antiferroelectric type liquid crystal cell 21 has 1/4 wavelength phase delay.Antiferroelectric type liquid crystal cell 21 fits in the exiting surface of display 1, and the Polarizer absorption axes of display 1 is parallel with the alignment direction of the liquid crystal molecule of antiferroelectric type liquid crystal cell 21.Be applied with electric field on the antiferroelectric type liquid crystal cell 21 to change polarization direction.When light during through antiferroelectric type liquid crystal cell 21, when not having impressed voltage, phase delay is zero, and polarization direction is constant; If antiferroelectric type liquid crystal cell 21 is added the forward voltage of suitable size, the phase delay of antiferroelectric type liquid crystal cell 21 can form the phase delay of 1/4 wavelength; If antiferroelectric type liquid crystal cell 21 is added the reverse voltage of suitable size, the phase delay of antiferroelectric type liquid crystal cell 21 can form the phase delay of-1/4 wavelength.That is to say that the phase delay between three stable states of antiferroelectric type liquid crystal cell 21 is respectively 1/4 and reaches-1/4 wavelength.The light that display 1 sends can form left-handed polarization and dextrorotation polarisation because phase delay is different respectively through behind the antiferroelectric type liquid crystal cell 21.Come analyzing by the corresponding polaroid glasses 3 of right and left eyes respectively then, thereby isolate the right and left eyes image, by brain this two width of cloth image is synthesized the image with 3-D effect again.
Embodiment four
Present embodiment discloses a kind of method for making of three dimensional display, comprises following steps: display is provided, and display comprises Polarizer; Arrange the phase delay of the light of the corresponding same complete display frame that can display be sent at the light direction of display, and form the left-handed polarization of the same complete display frame of correspondence and the liquid crystal cell module of dextrorotation polarisation.
In the present embodiment, the liquid crystal cell module adopts following steps to make: the ferroelectric liquid crystals box is provided, and the ferroelectric liquid crystals box has 1/2 wavelength phase delay; 1/4 wavelength phase delay chip is provided; Ferroelectric liquid crystals box and 1/4 wavelength phase delay chip are fitted in the exiting surface of display, make that the Polarizer absorption axes of display is parallel with the alignment direction of ferroelectric liquid crystals box, the Polarizer absorption axes of 1/4 wavelength phase delay chip and display is parallel; On the ferroelectric liquid crystals box, apply electric field to change polarization direction.
Embodiment five
Present embodiment discloses the method for making of another kind of three dimensional display, and the method for making of the three dimensional display of the method for making of the three dimensional display of present embodiment and embodiment four is basic identical.The difference with embodiment four of present embodiment is that the Polarizer absorption axes of display and the alignment direction of ferroelectric liquid crystals box are pressed from both sides 22.5 degree angles, and the Polarizer absorption axes of 1/4 wavelength phase delay chip and display is parallel.
Embodiment six
In the present embodiment, the liquid crystal cell module adopts following steps to make: antiferroelectric type liquid crystal cell is provided, and antiferroelectric type liquid crystal cell has 1/4 wavelength phase delay; Antiferroelectric type liquid crystal cell fits in the exiting surface of display, makes that the Polarizer absorption axes of display is parallel with the alignment direction of antiferroelectric type liquid crystal cell; On antiferroelectric type liquid crystal cell, apply electric field to change polarization direction.
The utility model does not limit ferroelectric liquid crystals box and the 1/4 wavelength phase delay chip applying order at the exiting surface of display.
Further, can also the frame updating speed of LCD be increased to twice, make the polarisation eyes of right and left eyes obtain more image information, picture is smooth more.
Further; Can also ferroelectric liquid crystals or antiferroelectric type liquid crystal and 1/4 wavelength phase delay chip be integrated into an optical compound slice; Specifically can divide layer growth to realize through bonding or crystal; Use the optical compound slice after integrating to reduce work hours, thereby reduce manufacturing cost at the exiting surface that fits to LCD.
The technical scheme of the utility model utilizes ferroelectric liquid crystals box or antiferroelectric type liquid crystal cell as the fast phase modulator; Through applying the orientation that electric field changes the liquid crystal molecule of ferroelectric liquid crystals box or antiferroelectric type liquid crystal cell; Utilize the phase delay of ferroelectric liquid crystals box or antiferroelectric type liquid crystal cell to change polarization direction; Form left-handed polarization and dextrorotation polarisation respectively through 1/4 wavelength phase delay chip again, cooperate right and left eyes different directions polaroid glasses, to reach the function of 3-D display.The technical scheme of the utility model has avoided the picture resolution to reduce half the problem.
Ferroelectric liquid crystals and antiferroelectric type liquid crystal that the utility model adopts have the characteristic of wide viewing angle, and the visual angle of the three dimensional display of the utility model can not receive image.In addition,, can be lower than below 1 millisecond, to low than fast gate-type three dimensional display of the influence of the brightness of three dimensional display because the answer speed of ferroelectric liquid crystals and antiferroelectric type liquid crystal is faster than the answer speed of nematic crystal.Fig. 4 A and 4B are the measured result of the response time of the antiferroelectric type liquid crystal that adopts of the 3rd preferred embodiment of the utility model.Fig. 4 A has shown the response curve of antiferroelectric type liquid crystal under 10 volts of impressed voltages that the 3rd preferred embodiment of the utility model is adopted.Fig. 4 B has shown antiferroelectric type liquid crystal that the 3rd preferred embodiment of the utility model the adopts response time under 10 volts, 15 volts and 20 volts of impressed voltages.Under 10 volts of impressed voltages, the opening time of the antiferroelectric type liquid crystal that embodiment three adopts, (Response time Ton) was 0.792 millisecond, and the shut-in time, (Response time Toff) was 0.79 millisecond.When impressed voltage was elevated to 20 volts, the opening time of the antiferroelectric type liquid crystal that the 3rd preferred embodiment is adopted, (Response time Ton) was 0.753 millisecond, and the shut-in time, (Response time Toff) was 0.74 millisecond.
The utility model is described by above-mentioned related embodiment, yet the foregoing description is merely the example of implementing the utility model.Must be pointed out that disclosed embodiment does not limit the scope of the utility model.On the contrary, being contained in the spirit of claims and the modification and impartial setting of scope includes in the scope of the utility model.
Claims (5)
1. a three dimensional display is characterized in that: said three dimensional display
Comprise:
Display;
The phase delay of the light of the corresponding same complete display frame that is used for said display is sent, and form the left-handed polarization of corresponding same complete display frame and the liquid crystal cell module of dextrorotation polarisation;
Said display also comprises Polarizer.
2. three dimensional display according to claim 1; It is characterized in that: said liquid crystal cell module comprises ferroelectric liquid crystals box and the 1/4 wavelength phase delay chip that changes polarization direction; Said ferroelectric liquid crystals box has 1/2 wavelength phase delay; Said ferroelectric liquid crystals box and said 1/4 wavelength phase delay chip fit in the exiting surface of said display; The Polarizer absorption axes of said display is parallel with the alignment direction of said ferroelectric liquid crystals box, and the Polarizer of said 1/4 wavelength phase delay chip and said display absorbs the axle clamp miter angle.
3. three dimensional display according to claim 1; It is characterized in that: said liquid crystal cell module comprises ferroelectric liquid crystals box and the 1/4 wavelength phase delay chip that changes polarization direction; Said ferroelectric liquid crystals box has 1/2 wavelength phase delay; Said ferroelectric liquid crystals box and said 1/4 wavelength phase delay chip fit in the exiting surface of said display; The Polarizer absorption axes of said display and the alignment direction of said ferroelectric liquid crystals box are pressed from both sides 22.5 degree angles, and the Polarizer absorption axes of said 1/4 wavelength phase delay chip and said display is parallel.
4. three dimensional display according to claim 1; It is characterized in that: said liquid crystal cell module comprises the antiferroelectric type liquid crystal cell that changes polarization direction; Said antiferroelectric type liquid crystal cell has 1/4 wavelength phase delay; Said antiferroelectric type liquid crystal cell fits in the exiting surface of said display, and the Polarizer absorption axes of said display is parallel with the alignment direction of said antiferroelectric type liquid crystal cell.
5. three dimensional display according to claim 1 is characterized in that: said display is a LCD.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202549477U CN202166803U (en) | 2011-07-18 | 2011-07-18 | Three-dimensional displayer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202549477U CN202166803U (en) | 2011-07-18 | 2011-07-18 | Three-dimensional displayer |
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| CN202166803U true CN202166803U (en) | 2012-03-14 |
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| CN2011202549477U Expired - Lifetime CN202166803U (en) | 2011-07-18 | 2011-07-18 | Three-dimensional displayer |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102364385A (en) * | 2011-07-18 | 2012-02-29 | 深圳市华星光电技术有限公司 | Three-dimensional displayer and manufacturing method thereof |
| CN103901628A (en) * | 2013-12-25 | 2014-07-02 | 京东方科技集团股份有限公司 | Display panel, stereo display device, manufacturing method of stereo display device and stereo display system |
-
2011
- 2011-07-18 CN CN2011202549477U patent/CN202166803U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102364385A (en) * | 2011-07-18 | 2012-02-29 | 深圳市华星光电技术有限公司 | Three-dimensional displayer and manufacturing method thereof |
| CN102364385B (en) * | 2011-07-18 | 2014-06-25 | 深圳市华星光电技术有限公司 | Three-dimensional displayer and manufacturing method thereof |
| US8885123B2 (en) | 2011-07-18 | 2014-11-11 | Shenzhen China Star Optoelectronics Technology Co. Ltd. | Three-dimensional display apparatus and method for manufacturing the same |
| CN103901628A (en) * | 2013-12-25 | 2014-07-02 | 京东方科技集团股份有限公司 | Display panel, stereo display device, manufacturing method of stereo display device and stereo display system |
| US9810915B2 (en) | 2013-12-25 | 2017-11-07 | Boe Technology Group Co., Ltd. | Display panel, three-dimensional display device and manufacturing method thereof, and three-dimensional display system |
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